Home / 417,680.26-576,399.33-226,693.66

Finding the Fourth Proportional to 417,680.26, 576,399.33 and 226,693.66

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Solution

The fourth proportional to 417,680.26, 576,399.33 and 226,693.66 is: 312,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,680.26 : 576,399.33 = 226,693.66 : x
  2. Step 2: Convert to fraction form
    417,680.26/576,399.33 = 226,693.66/x
  3. Step 3: Cross multiply
    417,680.26x = 576,399.33 × 226,693.66
  4. Step 4: Simplify right side
    417,680.26x = 130,666,073,739.25
  5. Step 5: Solve for x
    x = 130,666,073,739.25/417,680.26
  6. Step 6: Final answer
    x = 312,837.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.