Home / 414,618.43-621,931.11-115,122.37

Finding the Fourth Proportional to 414,618.43, 621,931.11 and 115,122.37

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Solution

The fourth proportional to 414,618.43, 621,931.11 and 115,122.37 is: 172,684.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,618.43 : 621,931.11 = 115,122.37 : x
  2. Step 2: Convert to fraction form
    414,618.43/621,931.11 = 115,122.37/x
  3. Step 3: Cross multiply
    414,618.43x = 621,931.11 × 115,122.37
  4. Step 4: Simplify right side
    414,618.43x = 71,598,183,359.93
  5. Step 5: Solve for x
    x = 71,598,183,359.93/414,618.43
  6. Step 6: Final answer
    x = 172,684.52

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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.