Home / 667,981.60-1,001,875.20-194,617.60

Finding the Fourth Proportional to 667,981.60, 1,001,875.20 and 194,617.60

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Solution

The fourth proportional to 667,981.60, 1,001,875.20 and 194,617.60 is: 291,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,981.60 : 1,001,875.20 = 194,617.60 : x
  2. Step 2: Convert to fraction form
    667,981.60/1,001,875.20 = 194,617.60/x
  3. Step 3: Cross multiply
    667,981.60x = 1,001,875.20 × 194,617.60
  4. Step 4: Simplify right side
    667,981.60x = 194,982,546,923.52
  5. Step 5: Solve for x
    x = 194,982,546,923.52/667,981.60
  6. Step 6: Final answer
    x = 291,898.08

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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.