Home / 443,861.11-612,565.65-271,778.23

Finding the Fourth Proportional to 443,861.11, 612,565.65 and 271,778.23

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Solution

The fourth proportional to 443,861.11, 612,565.65 and 271,778.23 is: 375,076.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,861.11 : 612,565.65 = 271,778.23 : x
  2. Step 2: Convert to fraction form
    443,861.11/612,565.65 = 271,778.23/x
  3. Step 3: Cross multiply
    443,861.11x = 612,565.65 × 271,778.23
  4. Step 4: Simplify right side
    443,861.11x = 166,482,008,115.80
  5. Step 5: Solve for x
    x = 166,482,008,115.80/443,861.11
  6. Step 6: Final answer
    x = 375,076.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.