Home / 618,936.90-928,305.69-169,552.68

Finding the Fourth Proportional to 618,936.90, 928,305.69 and 169,552.68

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Solution

The fourth proportional to 618,936.90, 928,305.69 and 169,552.68 is: 254,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,936.90 : 928,305.69 = 169,552.68 : x
  2. Step 2: Convert to fraction form
    618,936.90/928,305.69 = 169,552.68/x
  3. Step 3: Cross multiply
    618,936.90x = 928,305.69 × 169,552.68
  4. Step 4: Simplify right side
    618,936.90x = 157,396,717,598.75
  5. Step 5: Solve for x
    x = 157,396,717,598.75/618,936.90
  6. Step 6: Final answer
    x = 254,301.72

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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.