Home / 516,516.09-774,330.41-179,512.97

Finding the Fourth Proportional to 516,516.09, 774,330.41 and 179,512.97

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Solution

The fourth proportional to 516,516.09, 774,330.41 and 179,512.97 is: 269,115.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,516.09 : 774,330.41 = 179,512.97 : x
  2. Step 2: Convert to fraction form
    516,516.09/774,330.41 = 179,512.97/x
  3. Step 3: Cross multiply
    516,516.09x = 774,330.41 × 179,512.97
  4. Step 4: Simplify right side
    516,516.09x = 139,002,346,891.20
  5. Step 5: Solve for x
    x = 139,002,346,891.20/516,516.09
  6. Step 6: Final answer
    x = 269,115.23

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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.