Home / 627,207.13-865,553.21-340,731.73

Finding the Fourth Proportional to 627,207.13, 865,553.21 and 340,731.73

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Solution

The fourth proportional to 627,207.13, 865,553.21 and 340,731.73 is: 470,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,207.13 : 865,553.21 = 340,731.73 : x
  2. Step 2: Convert to fraction form
    627,207.13/865,553.21 = 340,731.73/x
  3. Step 3: Cross multiply
    627,207.13x = 865,553.21 × 340,731.73
  4. Step 4: Simplify right side
    627,207.13x = 294,921,442,650.35
  5. Step 5: Solve for x
    x = 294,921,442,650.35/627,207.13
  6. Step 6: Final answer
    x = 470,213.79

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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.