Home / 639,233.20-960,275.40-534,257.20

Finding the Fourth Proportional to 639,233.20, 960,275.40 and 534,257.20

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Solution

The fourth proportional to 639,233.20, 960,275.40 and 534,257.20 is: 802,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,233.20 : 960,275.40 = 534,257.20 : x
  2. Step 2: Convert to fraction form
    639,233.20/960,275.40 = 534,257.20/x
  3. Step 3: Cross multiply
    639,233.20x = 960,275.40 × 534,257.20
  4. Step 4: Simplify right side
    639,233.20x = 513,034,046,432.88
  5. Step 5: Solve for x
    x = 513,034,046,432.88/639,233.20
  6. Step 6: Final answer
    x = 802,577.29

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1.5x scale

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.