Home / 752,531.74-1,038,980.19-466,355.50

Finding the Fourth Proportional to 752,531.74, 1,038,980.19 and 466,355.50

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Solution

The fourth proportional to 752,531.74, 1,038,980.19 and 466,355.50 is: 643,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,531.74 : 1,038,980.19 = 466,355.50 : x
  2. Step 2: Convert to fraction form
    752,531.74/1,038,980.19 = 466,355.50/x
  3. Step 3: Cross multiply
    752,531.74x = 1,038,980.19 × 466,355.50
  4. Step 4: Simplify right side
    752,531.74x = 484,534,125,997.55
  5. Step 5: Solve for x
    x = 484,534,125,997.55/752,531.74
  6. Step 6: Final answer
    x = 643,872.01

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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.