Home / 618,788.82-928,184.01-169,513.61

Finding the Fourth Proportional to 618,788.82, 928,184.01 and 169,513.61

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Solution

The fourth proportional to 618,788.82, 928,184.01 and 169,513.61 is: 254,270.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,788.82 : 928,184.01 = 169,513.61 : x
  2. Step 2: Convert to fraction form
    618,788.82/928,184.01 = 169,513.61/x
  3. Step 3: Cross multiply
    618,788.82x = 928,184.01 × 169,513.61
  4. Step 4: Simplify right side
    618,788.82x = 157,339,823,177.33
  5. Step 5: Solve for x
    x = 157,339,823,177.33/618,788.82
  6. Step 6: Final answer
    x = 254,270.63

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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.