Home / 656,538.46-984,438.30-207,175.57

Finding the Fourth Proportional to 656,538.46, 984,438.30 and 207,175.57

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Solution

The fourth proportional to 656,538.46, 984,438.30 and 207,175.57 is: 310,646.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,538.46 : 984,438.30 = 207,175.57 : x
  2. Step 2: Convert to fraction form
    656,538.46/984,438.30 = 207,175.57/x
  3. Step 3: Cross multiply
    656,538.46x = 984,438.30 × 207,175.57
  4. Step 4: Simplify right side
    656,538.46x = 203,951,565,932.33
  5. Step 5: Solve for x
    x = 203,951,565,932.33/656,538.46
  6. Step 6: Final answer
    x = 310,646.79

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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.