Home / 392,597.10-541,786.59-222,834.06

Finding the Fourth Proportional to 392,597.10, 541,786.59 and 222,834.06

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Solution

The fourth proportional to 392,597.10, 541,786.59 and 222,834.06 is: 307,512.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,597.10 : 541,786.59 = 222,834.06 : x
  2. Step 2: Convert to fraction form
    392,597.10/541,786.59 = 222,834.06/x
  3. Step 3: Cross multiply
    392,597.10x = 541,786.59 × 222,834.06
  4. Step 4: Simplify right side
    392,597.10x = 120,728,505,503.26
  5. Step 5: Solve for x
    x = 120,728,505,503.26/392,597.10
  6. Step 6: Final answer
    x = 307,512.47

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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.