Home / 618,789.82-928,185.51-169,514.61

Finding the Fourth Proportional to 618,789.82, 928,185.51 and 169,514.61

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Solution

The fourth proportional to 618,789.82, 928,185.51 and 169,514.61 is: 254,272.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,789.82 : 928,185.51 = 169,514.61 : x
  2. Step 2: Convert to fraction form
    618,789.82/928,185.51 = 169,514.61/x
  3. Step 3: Cross multiply
    618,789.82x = 928,185.51 × 169,514.61
  4. Step 4: Simplify right side
    618,789.82x = 157,341,004,735.30
  5. Step 5: Solve for x
    x = 157,341,004,735.30/618,789.82
  6. Step 6: Final answer
    x = 254,272.13

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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.