Home / 538,520.03-807,777.54-159,443.07

Finding the Fourth Proportional to 538,520.03, 807,777.54 and 159,443.07

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Solution

The fourth proportional to 538,520.03, 807,777.54 and 159,443.07 is: 239,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,520.03 : 807,777.54 = 159,443.07 : x
  2. Step 2: Convert to fraction form
    538,520.03/807,777.54 = 159,443.07/x
  3. Step 3: Cross multiply
    538,520.03x = 807,777.54 × 159,443.07
  4. Step 4: Simplify right side
    538,520.03x = 128,794,530,854.65
  5. Step 5: Solve for x
    x = 128,794,530,854.65/538,520.03
  6. Step 6: Final answer
    x = 239,163.87

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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.