Home / 394,917.44-544,419.24-281,543.36

Finding the Fourth Proportional to 394,917.44, 544,419.24 and 281,543.36

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Solution

The fourth proportional to 394,917.44, 544,419.24 and 281,543.36 is: 388,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,917.44 : 544,419.24 = 281,543.36 : x
  2. Step 2: Convert to fraction form
    394,917.44/544,419.24 = 281,543.36/x
  3. Step 3: Cross multiply
    394,917.44x = 544,419.24 × 281,543.36
  4. Step 4: Simplify right side
    394,917.44x = 153,277,622,078.25
  5. Step 5: Solve for x
    x = 153,277,622,078.25/394,917.44
  6. Step 6: Final answer
    x = 388,125.74

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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.