Home / 538,161.20-806,896.20-222,743.60

Finding the Fourth Proportional to 538,161.20, 806,896.20 and 222,743.60

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Solution

The fourth proportional to 538,161.20, 806,896.20 and 222,743.60 is: 333,972.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,161.20 : 806,896.20 = 222,743.60 : x
  2. Step 2: Convert to fraction form
    538,161.20/806,896.20 = 222,743.60/x
  3. Step 3: Cross multiply
    538,161.20x = 806,896.20 × 222,743.60
  4. Step 4: Simplify right side
    538,161.20x = 179,730,964,414.32
  5. Step 5: Solve for x
    x = 179,730,964,414.32/538,161.20
  6. Step 6: Final answer
    x = 333,972.36

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1.5x scale

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.