Home / 414,949.80-622,338.30-178,300.20

Finding the Fourth Proportional to 414,949.80, 622,338.30 and 178,300.20

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Solution

The fourth proportional to 414,949.80, 622,338.30 and 178,300.20 is: 267,413.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,949.80 : 622,338.30 = 178,300.20 : x
  2. Step 2: Convert to fraction form
    414,949.80/622,338.30 = 178,300.20/x
  3. Step 3: Cross multiply
    414,949.80x = 622,338.30 × 178,300.20
  4. Step 4: Simplify right side
    414,949.80x = 110,963,043,357.66
  5. Step 5: Solve for x
    x = 110,963,043,357.66/414,949.80
  6. Step 6: Final answer
    x = 267,413.17

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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.