Home / 493,113.30-739,961.55-177,529.20

Finding the Fourth Proportional to 493,113.30, 739,961.55 and 177,529.20

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Solution

The fourth proportional to 493,113.30, 739,961.55 and 177,529.20 is: 266,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,113.30 : 739,961.55 = 177,529.20 : x
  2. Step 2: Convert to fraction form
    493,113.30/739,961.55 = 177,529.20/x
  3. Step 3: Cross multiply
    493,113.30x = 739,961.55 × 177,529.20
  4. Step 4: Simplify right side
    493,113.30x = 131,364,782,002.26
  5. Step 5: Solve for x
    x = 131,364,782,002.26/493,113.30
  6. Step 6: Final answer
    x = 266,398.78

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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.