Home / 1,086,124.80-1,629,179.10-327,964.80

Finding the Fourth Proportional to 1,086,124.80, 1,629,179.10 and 327,964.80

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Solution

The fourth proportional to 1,086,124.80, 1,629,179.10 and 327,964.80 is: 491,944.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,124.80 : 1,629,179.10 = 327,964.80 : x
  2. Step 2: Convert to fraction form
    1,086,124.80/1,629,179.10 = 327,964.80/x
  3. Step 3: Cross multiply
    1,086,124.80x = 1,629,179.10 × 327,964.80
  4. Step 4: Simplify right side
    1,086,124.80x = 534,313,397,695.68
  5. Step 5: Solve for x
    x = 534,313,397,695.68/1,086,124.80
  6. Step 6: Final answer
    x = 491,944.75

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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.