Home / 414,390.10-621,523.56-114,839.44

Finding the Fourth Proportional to 414,390.10, 621,523.56 and 114,839.44

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Solution

The fourth proportional to 414,390.10, 621,523.56 and 114,839.44 is: 172,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,390.10 : 621,523.56 = 114,839.44 : x
  2. Step 2: Convert to fraction form
    414,390.10/621,523.56 = 114,839.44/x
  3. Step 3: Cross multiply
    414,390.10x = 621,523.56 × 114,839.44
  4. Step 4: Simplify right side
    414,390.10x = 71,375,419,950.12
  5. Step 5: Solve for x
    x = 71,375,419,950.12/414,390.10
  6. Step 6: Final answer
    x = 172,242.10

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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.