Home / 419,919.30-629,694.27-153,610.74

Finding the Fourth Proportional to 419,919.30, 629,694.27 and 153,610.74

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Solution

The fourth proportional to 419,919.30, 629,694.27 and 153,610.74 is: 230,348.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,919.30 : 629,694.27 = 153,610.74 : x
  2. Step 2: Convert to fraction form
    419,919.30/629,694.27 = 153,610.74/x
  3. Step 3: Cross multiply
    419,919.30x = 629,694.27 × 153,610.74
  4. Step 4: Simplify right side
    419,919.30x = 96,727,802,788.46
  5. Step 5: Solve for x
    x = 96,727,802,788.46/419,919.30
  6. Step 6: Final answer
    x = 230,348.55

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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.