Home / 825,502.72-1,238,255.66-226,472.08

Finding the Fourth Proportional to 825,502.72, 1,238,255.66 and 226,472.08

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Solution

The fourth proportional to 825,502.72, 1,238,255.66 and 226,472.08 is: 339,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,502.72 : 1,238,255.66 = 226,472.08 : x
  2. Step 2: Convert to fraction form
    825,502.72/1,238,255.66 = 226,472.08/x
  3. Step 3: Cross multiply
    825,502.72x = 1,238,255.66 × 226,472.08
  4. Step 4: Simplify right side
    825,502.72x = 280,430,334,891.97
  5. Step 5: Solve for x
    x = 280,430,334,891.97/825,502.72
  6. Step 6: Final answer
    x = 339,708.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.