Home / 865,600.20-1,298,400.30-824,265.90

Finding the Fourth Proportional to 865,600.20, 1,298,400.30 and 824,265.90

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Solution

The fourth proportional to 865,600.20, 1,298,400.30 and 824,265.90 is: 1,236,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,600.20 : 1,298,400.30 = 824,265.90 : x
  2. Step 2: Convert to fraction form
    865,600.20/1,298,400.30 = 824,265.90/x
  3. Step 3: Cross multiply
    865,600.20x = 1,298,400.30 × 824,265.90
  4. Step 4: Simplify right side
    865,600.20x = 1,070,227,091,839.77
  5. Step 5: Solve for x
    x = 1,070,227,091,839.77/865,600.20
  6. Step 6: Final answer
    x = 1,236,398.85

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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.