Home / 417,503.11-576,154.33-226,516.52

Finding the Fourth Proportional to 417,503.11, 576,154.33 and 226,516.52

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Solution

The fourth proportional to 417,503.11, 576,154.33 and 226,516.52 is: 312,592.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,503.11 : 576,154.33 = 226,516.52 : x
  2. Step 2: Convert to fraction form
    417,503.11/576,154.33 = 226,516.52/x
  3. Step 3: Cross multiply
    417,503.11x = 576,154.33 × 226,516.52
  4. Step 4: Simplify right side
    417,503.11x = 130,508,470,933.76
  5. Step 5: Solve for x
    x = 130,508,470,933.76/417,503.11
  6. Step 6: Final answer
    x = 312,592.81

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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.