Home / 672,092.40-1,008,138.60-336,169.20

Finding the Fourth Proportional to 672,092.40, 1,008,138.60 and 336,169.20

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Solution

The fourth proportional to 672,092.40, 1,008,138.60 and 336,169.20 is: 504,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,092.40 : 1,008,138.60 = 336,169.20 : x
  2. Step 2: Convert to fraction form
    672,092.40/1,008,138.60 = 336,169.20/x
  3. Step 3: Cross multiply
    672,092.40x = 1,008,138.60 × 336,169.20
  4. Step 4: Simplify right side
    672,092.40x = 338,905,146,651.12
  5. Step 5: Solve for x
    x = 338,905,146,651.12/672,092.40
  6. Step 6: Final answer
    x = 504,253.80

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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.