Home / 516,426.84-774,323.15-179,322.66

Finding the Fourth Proportional to 516,426.84, 774,323.15 and 179,322.66

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Solution

The fourth proportional to 516,426.84, 774,323.15 and 179,322.66 is: 268,873.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,426.84 : 774,323.15 = 179,322.66 : x
  2. Step 2: Convert to fraction form
    516,426.84/774,323.15 = 179,322.66/x
  3. Step 3: Cross multiply
    516,426.84x = 774,323.15 × 179,322.66
  4. Step 4: Simplify right side
    516,426.84x = 138,853,686,060.97
  5. Step 5: Solve for x
    x = 138,853,686,060.97/516,426.84
  6. Step 6: Final answer
    x = 268,873.88

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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.