Home / 693,463.60-1,040,195.40-483,338.80

Finding the Fourth Proportional to 693,463.60, 1,040,195.40 and 483,338.80

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Solution

The fourth proportional to 693,463.60, 1,040,195.40 and 483,338.80 is: 725,008.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,463.60 : 1,040,195.40 = 483,338.80 : x
  2. Step 2: Convert to fraction form
    693,463.60/1,040,195.40 = 483,338.80/x
  3. Step 3: Cross multiply
    693,463.60x = 1,040,195.40 × 483,338.80
  4. Step 4: Simplify right side
    693,463.60x = 502,766,796,401.52
  5. Step 5: Solve for x
    x = 502,766,796,401.52/693,463.60
  6. Step 6: Final answer
    x = 725,008.20

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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.