Home / 838,304.30-1,257,456.45-667,062.20

Finding the Fourth Proportional to 838,304.30, 1,257,456.45 and 667,062.20

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Solution

The fourth proportional to 838,304.30, 1,257,456.45 and 667,062.20 is: 1,000,593.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,304.30 : 1,257,456.45 = 667,062.20 : x
  2. Step 2: Convert to fraction form
    838,304.30/1,257,456.45 = 667,062.20/x
  3. Step 3: Cross multiply
    838,304.30x = 1,257,456.45 × 667,062.20
  4. Step 4: Simplify right side
    838,304.30x = 838,801,665,941.19
  5. Step 5: Solve for x
    x = 838,801,665,941.19/838,304.30
  6. Step 6: Final answer
    x = 1,000,593.30

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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.