Home / 865,730.20-1,299,251.40-566,111.20

Finding the Fourth Proportional to 865,730.20, 1,299,251.40 and 566,111.20

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Solution

The fourth proportional to 865,730.20, 1,299,251.40 and 566,111.20 is: 849,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,730.20 : 1,299,251.40 = 566,111.20 : x
  2. Step 2: Convert to fraction form
    865,730.20/1,299,251.40 = 566,111.20/x
  3. Step 3: Cross multiply
    865,730.20x = 1,299,251.40 × 566,111.20
  4. Step 4: Simplify right side
    865,730.20x = 735,520,769,155.68
  5. Step 5: Solve for x
    x = 735,520,769,155.68/865,730.20
  6. Step 6: Final answer
    x = 849,595.83

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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.