Home / 362,789.38-500,445.03-217,556.48

Finding the Fourth Proportional to 362,789.38, 500,445.03 and 217,556.48

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Solution

The fourth proportional to 362,789.38, 500,445.03 and 217,556.48 is: 300,105.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,789.38 : 500,445.03 = 217,556.48 : x
  2. Step 2: Convert to fraction form
    362,789.38/500,445.03 = 217,556.48/x
  3. Step 3: Cross multiply
    362,789.38x = 500,445.03 × 217,556.48
  4. Step 4: Simplify right side
    362,789.38x = 108,875,061,227.24
  5. Step 5: Solve for x
    x = 108,875,061,227.24/362,789.38
  6. Step 6: Final answer
    x = 300,105.42

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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.