Home / 726,111.60-1,086,834.60-516,159.60

Finding the Fourth Proportional to 726,111.60, 1,086,834.60 and 516,159.60

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Solution

The fourth proportional to 726,111.60, 1,086,834.60 and 516,159.60 is: 772,581.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,111.60 : 1,086,834.60 = 516,159.60 : x
  2. Step 2: Convert to fraction form
    726,111.60/1,086,834.60 = 516,159.60/x
  3. Step 3: Cross multiply
    726,111.60x = 1,086,834.60 × 516,159.60
  4. Step 4: Simplify right side
    726,111.60x = 560,980,112,402.16
  5. Step 5: Solve for x
    x = 560,980,112,402.16/726,111.60
  6. Step 6: Final answer
    x = 772,581.12

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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.