Home / 1,086,616.92-1,629,925.38-487,251.12

Finding the Fourth Proportional to 1,086,616.92, 1,629,925.38 and 487,251.12

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Solution

The fourth proportional to 1,086,616.92, 1,629,925.38 and 487,251.12 is: 730,876.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,616.92 : 1,629,925.38 = 487,251.12 : x
  2. Step 2: Convert to fraction form
    1,086,616.92/1,629,925.38 = 487,251.12/x
  3. Step 3: Cross multiply
    1,086,616.92x = 1,629,925.38 × 487,251.12
  4. Step 4: Simplify right side
    1,086,616.92x = 794,182,966,921.43
  5. Step 5: Solve for x
    x = 794,182,966,921.43/1,086,616.92
  6. Step 6: Final answer
    x = 730,876.68

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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.