Home / 1,177,885.85-1,766,758.38-419,687.12

Finding the Fourth Proportional to 1,177,885.85, 1,766,758.38 and 419,687.12

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Solution

The fourth proportional to 1,177,885.85, 1,766,758.38 and 419,687.12 is: 629,505.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,885.85 : 1,766,758.38 = 419,687.12 : x
  2. Step 2: Convert to fraction form
    1,177,885.85/1,766,758.38 = 419,687.12/x
  3. Step 3: Cross multiply
    1,177,885.85x = 1,766,758.38 × 419,687.12
  4. Step 4: Simplify right side
    1,177,885.85x = 741,485,741,441.88
  5. Step 5: Solve for x
    x = 741,485,741,441.88/1,177,885.85
  6. Step 6: Final answer
    x = 629,505.60

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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.