Home / 667,519.60-1,001,182.20-194,155.60

Finding the Fourth Proportional to 667,519.60, 1,001,182.20 and 194,155.60

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Solution

The fourth proportional to 667,519.60, 1,001,182.20 and 194,155.60 is: 291,205.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,519.60 : 1,001,182.20 = 194,155.60 : x
  2. Step 2: Convert to fraction form
    667,519.60/1,001,182.20 = 194,155.60/x
  3. Step 3: Cross multiply
    667,519.60x = 1,001,182.20 × 194,155.60
  4. Step 4: Simplify right side
    667,519.60x = 194,385,130,750.32
  5. Step 5: Solve for x
    x = 194,385,130,750.32/667,519.60
  6. Step 6: Final answer
    x = 291,205.13

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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.