Home / 827,687.19-1,242,399.51-733,519.83

Finding the Fourth Proportional to 827,687.19, 1,242,399.51 and 733,519.83

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Solution

The fourth proportional to 827,687.19, 1,242,399.51 and 733,519.83 is: 1,101,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,687.19 : 1,242,399.51 = 733,519.83 : x
  2. Step 2: Convert to fraction form
    827,687.19/1,242,399.51 = 733,519.83/x
  3. Step 3: Cross multiply
    827,687.19x = 1,242,399.51 × 733,519.83
  4. Step 4: Simplify right side
    827,687.19x = 911,324,677,367.28
  5. Step 5: Solve for x
    x = 911,324,677,367.28/827,687.19
  6. Step 6: Final answer
    x = 1,101,049.63

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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.