Home / 5,677,728.30-8,516,592.45-3,438,240.30

Finding the Fourth Proportional to 5,677,728.30, 8,516,592.45 and 3,438,240.30

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Solution

The fourth proportional to 5,677,728.30, 8,516,592.45 and 3,438,240.30 is: 5,157,360.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,677,728.30 : 8,516,592.45 = 3,438,240.30 : x
  2. Step 2: Convert to fraction form
    5,677,728.30/8,516,592.45 = 3,438,240.30/x
  3. Step 3: Cross multiply
    5,677,728.30x = 8,516,592.45 × 3,438,240.30
  4. Step 4: Simplify right side
    5,677,728.30x = 29,282,091,380,265.73
  5. Step 5: Solve for x
    x = 29,282,091,380,265.73/5,677,728.30
  6. Step 6: Final answer
    x = 5,157,360.45

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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.