Home / 693,764.20-1,040,646.30-444,932.20

Finding the Fourth Proportional to 693,764.20, 1,040,646.30 and 444,932.20

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Solution

The fourth proportional to 693,764.20, 1,040,646.30 and 444,932.20 is: 667,398.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,764.20 : 1,040,646.30 = 444,932.20 : x
  2. Step 2: Convert to fraction form
    693,764.20/1,040,646.30 = 444,932.20/x
  3. Step 3: Cross multiply
    693,764.20x = 1,040,646.30 × 444,932.20
  4. Step 4: Simplify right side
    693,764.20x = 463,017,047,680.86
  5. Step 5: Solve for x
    x = 463,017,047,680.86/693,764.20
  6. Step 6: Final answer
    x = 667,398.30

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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.