Home / 516,614.52-774,923.00-161,629.19

Finding the Fourth Proportional to 516,614.52, 774,923.00 and 161,629.19

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Solution

The fourth proportional to 516,614.52, 774,923.00 and 161,629.19 is: 242,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,614.52 : 774,923.00 = 161,629.19 : x
  2. Step 2: Convert to fraction form
    516,614.52/774,923.00 = 161,629.19/x
  3. Step 3: Cross multiply
    516,614.52x = 774,923.00 × 161,629.19
  4. Step 4: Simplify right side
    516,614.52x = 125,250,172,119.61
  5. Step 5: Solve for x
    x = 125,250,172,119.61/516,614.52
  6. Step 6: Final answer
    x = 242,444.16

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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.