Home / 719,024.39-992,274.42-396,755.24

Finding the Fourth Proportional to 719,024.39, 992,274.42 and 396,755.24

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Solution

The fourth proportional to 719,024.39, 992,274.42 and 396,755.24 is: 547,533.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,024.39 : 992,274.42 = 396,755.24 : x
  2. Step 2: Convert to fraction form
    719,024.39/992,274.42 = 396,755.24/x
  3. Step 3: Cross multiply
    719,024.39x = 992,274.42 × 396,755.24
  4. Step 4: Simplify right side
    719,024.39x = 393,690,070,691.59
  5. Step 5: Solve for x
    x = 393,690,070,691.59/719,024.39
  6. Step 6: Final answer
    x = 547,533.68

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1.5x scale

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.