Home / 672,049.90-1,008,074.85-448,101.10

Finding the Fourth Proportional to 672,049.90, 1,008,074.85 and 448,101.10

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Solution

The fourth proportional to 672,049.90, 1,008,074.85 and 448,101.10 is: 672,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,049.90 : 1,008,074.85 = 448,101.10 : x
  2. Step 2: Convert to fraction form
    672,049.90/1,008,074.85 = 448,101.10/x
  3. Step 3: Cross multiply
    672,049.90x = 1,008,074.85 × 448,101.10
  4. Step 4: Simplify right side
    672,049.90x = 451,719,449,167.34
  5. Step 5: Solve for x
    x = 451,719,449,167.34/672,049.90
  6. Step 6: Final answer
    x = 672,151.65

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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.