Home / 667,627.52-1,001,475.90-194,349.78

Finding the Fourth Proportional to 667,627.52, 1,001,475.90 and 194,349.78

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Solution

The fourth proportional to 667,627.52, 1,001,475.90 and 194,349.78 is: 291,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,627.52 : 1,001,475.90 = 194,349.78 : x
  2. Step 2: Convert to fraction form
    667,627.52/1,001,475.90 = 194,349.78/x
  3. Step 3: Cross multiply
    667,627.52x = 1,001,475.90 × 194,349.78
  4. Step 4: Simplify right side
    667,627.52x = 194,636,620,840.30
  5. Step 5: Solve for x
    x = 194,636,620,840.30/667,627.52
  6. Step 6: Final answer
    x = 291,534.75

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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.