Home / 672,066.60-1,008,099.90-448,117.80

Finding the Fourth Proportional to 672,066.60, 1,008,099.90 and 448,117.80

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Solution

The fourth proportional to 672,066.60, 1,008,099.90 and 448,117.80 is: 672,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,066.60 : 1,008,099.90 = 448,117.80 : x
  2. Step 2: Convert to fraction form
    672,066.60/1,008,099.90 = 448,117.80/x
  3. Step 3: Cross multiply
    672,066.60x = 1,008,099.90 × 448,117.80
  4. Step 4: Simplify right side
    672,066.60x = 451,747,509,368.22
  5. Step 5: Solve for x
    x = 451,747,509,368.22/672,066.60
  6. Step 6: Final answer
    x = 672,176.70

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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.