Home / 667,511.60-1,001,170.20-194,147.60

Finding the Fourth Proportional to 667,511.60, 1,001,170.20 and 194,147.60

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Solution

The fourth proportional to 667,511.60, 1,001,170.20 and 194,147.60 is: 291,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,511.60 : 1,001,170.20 = 194,147.60 : x
  2. Step 2: Convert to fraction form
    667,511.60/1,001,170.20 = 194,147.60/x
  3. Step 3: Cross multiply
    667,511.60x = 1,001,170.20 × 194,147.60
  4. Step 4: Simplify right side
    667,511.60x = 194,374,791,521.52
  5. Step 5: Solve for x
    x = 194,374,791,521.52/667,511.60
  6. Step 6: Final answer
    x = 291,193.13

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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.