Home / 538,865.25-808,435.17-159,799.83

Finding the Fourth Proportional to 538,865.25, 808,435.17 and 159,799.83

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Solution

The fourth proportional to 538,865.25, 808,435.17 and 159,799.83 is: 239,740.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,865.25 : 808,435.17 = 159,799.83 : x
  2. Step 2: Convert to fraction form
    538,865.25/808,435.17 = 159,799.83/x
  3. Step 3: Cross multiply
    538,865.25x = 808,435.17 × 159,799.83
  4. Step 4: Simplify right side
    538,865.25x = 129,187,802,732.02
  5. Step 5: Solve for x
    x = 129,187,802,732.02/538,865.25
  6. Step 6: Final answer
    x = 239,740.46

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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.