Home / 394,687.35-544,917.59-273,786.34

Finding the Fourth Proportional to 394,687.35, 544,917.59 and 273,786.34

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Solution

The fourth proportional to 394,687.35, 544,917.59 and 273,786.34 is: 377,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,687.35 : 544,917.59 = 273,786.34 : x
  2. Step 2: Convert to fraction form
    394,687.35/544,917.59 = 273,786.34/x
  3. Step 3: Cross multiply
    394,687.35x = 544,917.59 × 273,786.34
  4. Step 4: Simplify right side
    394,687.35x = 149,190,992,567.72
  5. Step 5: Solve for x
    x = 149,190,992,567.72/394,687.35
  6. Step 6: Final answer
    x = 377,997.91

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1.5x scale

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.