Home / 414,945.68-622,373.16-134,387.60

Finding the Fourth Proportional to 414,945.68, 622,373.16 and 134,387.60

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Solution

The fourth proportional to 414,945.68, 622,373.16 and 134,387.60 is: 201,566.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,945.68 : 622,373.16 = 134,387.60 : x
  2. Step 2: Convert to fraction form
    414,945.68/622,373.16 = 134,387.60/x
  3. Step 3: Cross multiply
    414,945.68x = 622,373.16 × 134,387.60
  4. Step 4: Simplify right side
    414,945.68x = 83,639,235,276.82
  5. Step 5: Solve for x
    x = 83,639,235,276.82/414,945.68
  6. Step 6: Final answer
    x = 201,566.71

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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.