Home / 443,462.20-665,279.70-177,177.40

Finding the Fourth Proportional to 443,462.20, 665,279.70 and 177,177.40

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Solution

The fourth proportional to 443,462.20, 665,279.70 and 177,177.40 is: 265,800.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,462.20 : 665,279.70 = 177,177.40 : x
  2. Step 2: Convert to fraction form
    443,462.20/665,279.70 = 177,177.40/x
  3. Step 3: Cross multiply
    443,462.20x = 665,279.70 × 177,177.40
  4. Step 4: Simplify right side
    443,462.20x = 117,872,527,518.78
  5. Step 5: Solve for x
    x = 117,872,527,518.78/443,462.20
  6. Step 6: Final answer
    x = 265,800.62

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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.