Home / 726,101.60-1,086,819.60-516,149.60

Finding the Fourth Proportional to 726,101.60, 1,086,819.60 and 516,149.60

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Solution

The fourth proportional to 726,101.60, 1,086,819.60 and 516,149.60 is: 772,566.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,101.60 : 1,086,819.60 = 516,149.60 : x
  2. Step 2: Convert to fraction form
    726,101.60/1,086,819.60 = 516,149.60/x
  3. Step 3: Cross multiply
    726,101.60x = 1,086,819.60 × 516,149.60
  4. Step 4: Simplify right side
    726,101.60x = 560,961,501,812.16
  5. Step 5: Solve for x
    x = 560,961,501,812.16/726,101.60
  6. Step 6: Final answer
    x = 772,566.13

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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.