Home / 752,550.19-1,128,813.84-521,526.04

Finding the Fourth Proportional to 752,550.19, 1,128,813.84 and 521,526.04

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Solution

The fourth proportional to 752,550.19, 1,128,813.84 and 521,526.04 is: 782,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,550.19 : 1,128,813.84 = 521,526.04 : x
  2. Step 2: Convert to fraction form
    752,550.19/1,128,813.84 = 521,526.04/x
  3. Step 3: Cross multiply
    752,550.19x = 1,128,813.84 × 521,526.04
  4. Step 4: Simplify right side
    752,550.19x = 588,705,809,050.36
  5. Step 5: Solve for x
    x = 588,705,809,050.36/752,550.19
  6. Step 6: Final answer
    x = 782,281.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.