Home / 414,929.80-622,308.30-178,280.20

Finding the Fourth Proportional to 414,929.80, 622,308.30 and 178,280.20

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Solution

The fourth proportional to 414,929.80, 622,308.30 and 178,280.20 is: 267,383.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,929.80 : 622,308.30 = 178,280.20 : x
  2. Step 2: Convert to fraction form
    414,929.80/622,308.30 = 178,280.20/x
  3. Step 3: Cross multiply
    414,929.80x = 622,308.30 × 178,280.20
  4. Step 4: Simplify right side
    414,929.80x = 110,945,248,185.66
  5. Step 5: Solve for x
    x = 110,945,248,185.66/414,929.80
  6. Step 6: Final answer
    x = 267,383.18

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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.