Home / 667,745.80-1,001,618.70-194,446.60

Finding the Fourth Proportional to 667,745.80, 1,001,618.70 and 194,446.60

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Solution

The fourth proportional to 667,745.80, 1,001,618.70 and 194,446.60 is: 291,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,745.80 : 1,001,618.70 = 194,446.60 : x
  2. Step 2: Convert to fraction form
    667,745.80/1,001,618.70 = 194,446.60/x
  3. Step 3: Cross multiply
    667,745.80x = 1,001,618.70 × 194,446.60
  4. Step 4: Simplify right side
    667,745.80x = 194,761,350,711.42
  5. Step 5: Solve for x
    x = 194,761,350,711.42/667,745.80
  6. Step 6: Final answer
    x = 291,669.90

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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.