Home / 664,575.46-996,837.26-221,343.46

Finding the Fourth Proportional to 664,575.46, 996,837.26 and 221,343.46

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Solution

The fourth proportional to 664,575.46, 996,837.26 and 221,343.46 is: 332,006.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,575.46 : 996,837.26 = 221,343.46 : x
  2. Step 2: Convert to fraction form
    664,575.46/996,837.26 = 221,343.46/x
  3. Step 3: Cross multiply
    664,575.46x = 996,837.26 × 221,343.46
  4. Step 4: Simplify right side
    664,575.46x = 220,643,408,185.32
  5. Step 5: Solve for x
    x = 220,643,408,185.32/664,575.46
  6. Step 6: Final answer
    x = 332,006.55

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Double scale
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Similar ratio
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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.