Home / 454,353.18-681,179.85-217,573.98

Finding the Fourth Proportional to 454,353.18, 681,179.85 and 217,573.98

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Solution

The fourth proportional to 454,353.18, 681,179.85 and 217,573.98 is: 326,193.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,353.18 : 681,179.85 = 217,573.98 : x
  2. Step 2: Convert to fraction form
    454,353.18/681,179.85 = 217,573.98/x
  3. Step 3: Cross multiply
    454,353.18x = 681,179.85 × 217,573.98
  4. Step 4: Simplify right side
    454,353.18x = 148,207,011,060.30
  5. Step 5: Solve for x
    x = 148,207,011,060.30/454,353.18
  6. Step 6: Final answer
    x = 326,193.41

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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.