Home / 752,293.92-1,038,156.30-412,761.90

Finding the Fourth Proportional to 752,293.92, 1,038,156.30 and 412,761.90

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Solution

The fourth proportional to 752,293.92, 1,038,156.30 and 412,761.90 is: 569,606.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,293.92 : 1,038,156.30 = 412,761.90 : x
  2. Step 2: Convert to fraction form
    752,293.92/1,038,156.30 = 412,761.90/x
  3. Step 3: Cross multiply
    752,293.92x = 1,038,156.30 × 412,761.90
  4. Step 4: Simplify right side
    752,293.92x = 428,511,366,884.97
  5. Step 5: Solve for x
    x = 428,511,366,884.97/752,293.92
  6. Step 6: Final answer
    x = 569,606.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.