Home / 417,621.88-576,318.54-226,635.27

Finding the Fourth Proportional to 417,621.88, 576,318.54 and 226,635.27

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Solution

The fourth proportional to 417,621.88, 576,318.54 and 226,635.27 is: 312,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,621.88 : 576,318.54 = 226,635.27 : x
  2. Step 2: Convert to fraction form
    417,621.88/576,318.54 = 226,635.27/x
  3. Step 3: Cross multiply
    417,621.88x = 576,318.54 × 226,635.27
  4. Step 4: Simplify right side
    417,621.88x = 130,614,107,918.91
  5. Step 5: Solve for x
    x = 130,614,107,918.91/417,621.88
  6. Step 6: Final answer
    x = 312,756.86

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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.