Home / 414,979.52-622,626.15-162,440.49

Finding the Fourth Proportional to 414,979.52, 622,626.15 and 162,440.49

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Solution

The fourth proportional to 414,979.52, 622,626.15 and 162,440.49 is: 243,722.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,979.52 : 622,626.15 = 162,440.49 : x
  2. Step 2: Convert to fraction form
    414,979.52/622,626.15 = 162,440.49/x
  3. Step 3: Cross multiply
    414,979.52x = 622,626.15 × 162,440.49
  4. Step 4: Simplify right side
    414,979.52x = 101,139,696,892.81
  5. Step 5: Solve for x
    x = 101,139,696,892.81/414,979.52
  6. Step 6: Final answer
    x = 243,722.14

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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.