Home / 414,617.43-621,929.61-115,121.37

Finding the Fourth Proportional to 414,617.43, 621,929.61 and 115,121.37

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Solution

The fourth proportional to 414,617.43, 621,929.61 and 115,121.37 is: 172,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,617.43 : 621,929.61 = 115,121.37 : x
  2. Step 2: Convert to fraction form
    414,617.43/621,929.61 = 115,121.37/x
  3. Step 3: Cross multiply
    414,617.43x = 621,929.61 × 115,121.37
  4. Step 4: Simplify right side
    414,617.43x = 71,597,386,198.68
  5. Step 5: Solve for x
    x = 71,597,386,198.68/414,617.43
  6. Step 6: Final answer
    x = 172,683.01

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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.