Home / 417,615.38-576,309.20-226,628.77

Finding the Fourth Proportional to 417,615.38, 576,309.20 and 226,628.77

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Solution

The fourth proportional to 417,615.38, 576,309.20 and 226,628.77 is: 312,747.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,615.38 : 576,309.20 = 226,628.77 : x
  2. Step 2: Convert to fraction form
    417,615.38/576,309.20 = 226,628.77/x
  3. Step 3: Cross multiply
    417,615.38x = 576,309.20 × 226,628.77
  4. Step 4: Simplify right side
    417,615.38x = 130,608,241,120.99
  5. Step 5: Solve for x
    x = 130,608,241,120.99/417,615.38
  6. Step 6: Final answer
    x = 312,747.68

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1.5x scale

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.