Home / 672,064.70-1,008,097.05-472,610.30

Finding the Fourth Proportional to 672,064.70, 1,008,097.05 and 472,610.30

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Solution

The fourth proportional to 672,064.70, 1,008,097.05 and 472,610.30 is: 708,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,064.70 : 1,008,097.05 = 472,610.30 : x
  2. Step 2: Convert to fraction form
    672,064.70/1,008,097.05 = 472,610.30/x
  3. Step 3: Cross multiply
    672,064.70x = 1,008,097.05 × 472,610.30
  4. Step 4: Simplify right side
    672,064.70x = 476,437,049,229.62
  5. Step 5: Solve for x
    x = 476,437,049,229.62/672,064.70
  6. Step 6: Final answer
    x = 708,915.45

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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.