Home / 667,491.60-1,001,140.20-194,127.60

Finding the Fourth Proportional to 667,491.60, 1,001,140.20 and 194,127.60

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Solution

The fourth proportional to 667,491.60, 1,001,140.20 and 194,127.60 is: 291,163.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,491.60 : 1,001,140.20 = 194,127.60 : x
  2. Step 2: Convert to fraction form
    667,491.60/1,001,140.20 = 194,127.60/x
  3. Step 3: Cross multiply
    667,491.60x = 1,001,140.20 × 194,127.60
  4. Step 4: Simplify right side
    667,491.60x = 194,348,944,289.52
  5. Step 5: Solve for x
    x = 194,348,944,289.52/667,491.60
  6. Step 6: Final answer
    x = 291,163.13

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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.