Home / 417,768.11-576,519.41-226,781.51

Finding the Fourth Proportional to 417,768.11, 576,519.41 and 226,781.51

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Solution

The fourth proportional to 417,768.11, 576,519.41 and 226,781.51 is: 312,958.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,768.11 : 576,519.41 = 226,781.51 : x
  2. Step 2: Convert to fraction form
    417,768.11/576,519.41 = 226,781.51/x
  3. Step 3: Cross multiply
    417,768.11x = 576,519.41 × 226,781.51
  4. Step 4: Simplify right side
    417,768.11x = 130,743,944,352.36
  5. Step 5: Solve for x
    x = 130,743,944,352.36/417,768.11
  6. Step 6: Final answer
    x = 312,958.18

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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.