Reverse Percentages

Question 1:

A house was sold for £370000, at a profit of 14%. Find the original amount.

£324561

Question 2:

A house was sold for £247000, at a profit of 36%. Find the original amount.

£181618

Question 3:

A house was sold for £328000, at a loss of 46%. Find the original amount.

£607407

Question 4:

A house was sold for £446000, at a loss of 27%. Find the original amount.

£610959