Home / 516,511.97-774,324.23-179,508.84

Finding the Fourth Proportional to 516,511.97, 774,324.23 and 179,508.84

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Solution

The fourth proportional to 516,511.97, 774,324.23 and 179,508.84 is: 269,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,511.97 : 774,324.23 = 179,508.84 : x
  2. Step 2: Convert to fraction form
    516,511.97/774,324.23 = 179,508.84/x
  3. Step 3: Cross multiply
    516,511.97x = 774,324.23 × 179,508.84
  4. Step 4: Simplify right side
    516,511.97x = 138,998,040,509.93
  5. Step 5: Solve for x
    x = 138,998,040,509.93/516,511.97
  6. Step 6: Final answer
    x = 269,109.04

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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.