Home / 527,896.20-791,837.10-172,921.80

Finding the Fourth Proportional to 527,896.20, 791,837.10 and 172,921.80

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Solution

The fourth proportional to 527,896.20, 791,837.10 and 172,921.80 is: 259,380.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,896.20 : 791,837.10 = 172,921.80 : x
  2. Step 2: Convert to fraction form
    527,896.20/791,837.10 = 172,921.80/x
  3. Step 3: Cross multiply
    527,896.20x = 791,837.10 × 172,921.80
  4. Step 4: Simplify right side
    527,896.20x = 136,925,896,638.78
  5. Step 5: Solve for x
    x = 136,925,896,638.78/527,896.20
  6. Step 6: Final answer
    x = 259,380.34

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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.