Home / 516,261.12-774,274.92-196,298.82

Finding the Fourth Proportional to 516,261.12, 774,274.92 and 196,298.82

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Solution

The fourth proportional to 516,261.12, 774,274.92 and 196,298.82 is: 294,403.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,261.12 : 774,274.92 = 196,298.82 : x
  2. Step 2: Convert to fraction form
    516,261.12/774,274.92 = 196,298.82/x
  3. Step 3: Cross multiply
    516,261.12x = 774,274.92 × 196,298.82
  4. Step 4: Simplify right side
    516,261.12x = 151,989,253,151.59
  5. Step 5: Solve for x
    x = 151,989,253,151.59/516,261.12
  6. Step 6: Final answer
    x = 294,403.83

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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.