Home / 417,439.35-576,067.76-226,454.10

Finding the Fourth Proportional to 417,439.35, 576,067.76 and 226,454.10

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Solution

The fourth proportional to 417,439.35, 576,067.76 and 226,454.10 is: 312,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,439.35 : 576,067.76 = 226,454.10 : x
  2. Step 2: Convert to fraction form
    417,439.35/576,067.76 = 226,454.10/x
  3. Step 3: Cross multiply
    417,439.35x = 576,067.76 × 226,454.10
  4. Step 4: Simplify right side
    417,439.35x = 130,452,906,129.82
  5. Step 5: Solve for x
    x = 130,452,906,129.82/417,439.35
  6. Step 6: Final answer
    x = 312,507.45

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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.