Home / 809,267.97-1,116,789.86-446,691.92

Finding the Fourth Proportional to 809,267.97, 1,116,789.86 and 446,691.92

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Solution

The fourth proportional to 809,267.97, 1,116,789.86 and 446,691.92 is: 616,434.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,267.97 : 1,116,789.86 = 446,691.92 : x
  2. Step 2: Convert to fraction form
    809,267.97/1,116,789.86 = 446,691.92/x
  3. Step 3: Cross multiply
    809,267.97x = 1,116,789.86 × 446,691.92
  4. Step 4: Simplify right side
    809,267.97x = 498,860,998,982.52
  5. Step 5: Solve for x
    x = 498,860,998,982.52/809,267.97
  6. Step 6: Final answer
    x = 616,434.88

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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.