Home / 564,695.97-847,067.04-143,982.78

Finding the Fourth Proportional to 564,695.97, 847,067.04 and 143,982.78

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Solution

The fourth proportional to 564,695.97, 847,067.04 and 143,982.78 is: 215,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,695.97 : 847,067.04 = 143,982.78 : x
  2. Step 2: Convert to fraction form
    564,695.97/847,067.04 = 143,982.78/x
  3. Step 3: Cross multiply
    564,695.97x = 847,067.04 × 143,982.78
  4. Step 4: Simplify right side
    564,695.97x = 121,963,067,265.57
  5. Step 5: Solve for x
    x = 121,963,067,265.57/564,695.97
  6. Step 6: Final answer
    x = 215,980.06

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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.