Home / 625,028.20-937,542.30-485,060.20

Finding the Fourth Proportional to 625,028.20, 937,542.30 and 485,060.20

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Solution

The fourth proportional to 625,028.20, 937,542.30 and 485,060.20 is: 727,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,028.20 : 937,542.30 = 485,060.20 : x
  2. Step 2: Convert to fraction form
    625,028.20/937,542.30 = 485,060.20/x
  3. Step 3: Cross multiply
    625,028.20x = 937,542.30 × 485,060.20
  4. Step 4: Simplify right side
    625,028.20x = 454,764,455,546.46
  5. Step 5: Solve for x
    x = 454,764,455,546.46/625,028.20
  6. Step 6: Final answer
    x = 727,590.30

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Double scale
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Similar ratio
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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.