Home / 667,512.60-1,001,171.70-194,148.60

Finding the Fourth Proportional to 667,512.60, 1,001,171.70 and 194,148.60

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Solution

The fourth proportional to 667,512.60, 1,001,171.70 and 194,148.60 is: 291,194.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,512.60 : 1,001,171.70 = 194,148.60 : x
  2. Step 2: Convert to fraction form
    667,512.60/1,001,171.70 = 194,148.60/x
  3. Step 3: Cross multiply
    667,512.60x = 1,001,171.70 × 194,148.60
  4. Step 4: Simplify right side
    667,512.60x = 194,376,083,914.62
  5. Step 5: Solve for x
    x = 194,376,083,914.62/667,512.60
  6. Step 6: Final answer
    x = 291,194.63

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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.