Home / 5,171,451.20-7,757,176.80-4,613,438.15

Finding the Fourth Proportional to 5,171,451.20, 7,757,176.80 and 4,613,438.15

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Solution

The fourth proportional to 5,171,451.20, 7,757,176.80 and 4,613,438.15 is: 6,920,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,171,451.20 : 7,757,176.80 = 4,613,438.15 : x
  2. Step 2: Convert to fraction form
    5,171,451.20/7,757,176.80 = 4,613,438.15/x
  3. Step 3: Cross multiply
    5,171,451.20x = 7,757,176.80 × 4,613,438.15
  4. Step 4: Simplify right side
    5,171,451.20x = 35,787,255,385,414.92
  5. Step 5: Solve for x
    x = 35,787,255,385,414.92/5,171,451.20
  6. Step 6: Final answer
    x = 6,920,157.23

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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.