Home / 516,520.77-774,337.39-179,517.63

Finding the Fourth Proportional to 516,520.77, 774,337.39 and 179,517.63

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Solution

The fourth proportional to 516,520.77, 774,337.39 and 179,517.63 is: 269,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,520.77 : 774,337.39 = 179,517.63 : x
  2. Step 2: Convert to fraction form
    516,520.77/774,337.39 = 179,517.63/x
  3. Step 3: Cross multiply
    516,520.77x = 774,337.39 × 179,517.63
  4. Step 4: Simplify right side
    516,520.77x = 139,007,215,528.16
  5. Step 5: Solve for x
    x = 139,007,215,528.16/516,520.77
  6. Step 6: Final answer
    x = 269,122.22

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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.