Home / 672,067.40-1,008,101.10-483,110.60

Finding the Fourth Proportional to 672,067.40, 1,008,101.10 and 483,110.60

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Solution

The fourth proportional to 672,067.40, 1,008,101.10 and 483,110.60 is: 724,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,067.40 : 1,008,101.10 = 483,110.60 : x
  2. Step 2: Convert to fraction form
    672,067.40/1,008,101.10 = 483,110.60/x
  3. Step 3: Cross multiply
    672,067.40x = 1,008,101.10 × 483,110.60
  4. Step 4: Simplify right side
    672,067.40x = 487,024,327,281.66
  5. Step 5: Solve for x
    x = 487,024,327,281.66/672,067.40
  6. Step 6: Final answer
    x = 724,665.90

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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.