Home / 392,583.44-541,781.76-222,833.36

Finding the Fourth Proportional to 392,583.44, 541,781.76 and 222,833.36

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Solution

The fourth proportional to 392,583.44, 541,781.76 and 222,833.36 is: 307,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,583.44 : 541,781.76 = 222,833.36 : x
  2. Step 2: Convert to fraction form
    392,583.44/541,781.76 = 222,833.36/x
  3. Step 3: Cross multiply
    392,583.44x = 541,781.76 × 222,833.36
  4. Step 4: Simplify right side
    392,583.44x = 120,727,049,967.51
  5. Step 5: Solve for x
    x = 120,727,049,967.51/392,583.44
  6. Step 6: Final answer
    x = 307,519.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.