Home / 618,786.45-928,180.41-169,511.19

Finding the Fourth Proportional to 618,786.45, 928,180.41 and 169,511.19

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Solution

The fourth proportional to 618,786.45, 928,180.41 and 169,511.19 is: 254,266.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,786.45 : 928,180.41 = 169,511.19 : x
  2. Step 2: Convert to fraction form
    618,786.45/928,180.41 = 169,511.19/x
  3. Step 3: Cross multiply
    618,786.45x = 928,180.41 × 169,511.19
  4. Step 4: Simplify right side
    618,786.45x = 157,336,965,833.79
  5. Step 5: Solve for x
    x = 157,336,965,833.79/618,786.45
  6. Step 6: Final answer
    x = 254,266.99

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Similar ratio
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1.5x scale

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.