Home / 693,500.10-1,040,250.15-483,375.30

Finding the Fourth Proportional to 693,500.10, 1,040,250.15 and 483,375.30

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Solution

The fourth proportional to 693,500.10, 1,040,250.15 and 483,375.30 is: 725,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,500.10 : 1,040,250.15 = 483,375.30 : x
  2. Step 2: Convert to fraction form
    693,500.10/1,040,250.15 = 483,375.30/x
  3. Step 3: Cross multiply
    693,500.10x = 1,040,250.15 × 483,375.30
  4. Step 4: Simplify right side
    693,500.10x = 502,831,228,331.30
  5. Step 5: Solve for x
    x = 502,831,228,331.30/693,500.10
  6. Step 6: Final answer
    x = 725,062.95

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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.