Home / 451,198.28-622,653.60-269,917.82

Finding the Fourth Proportional to 451,198.28, 622,653.60 and 269,917.82

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Solution

The fourth proportional to 451,198.28, 622,653.60 and 269,917.82 is: 372,486.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,198.28 : 622,653.60 = 269,917.82 : x
  2. Step 2: Convert to fraction form
    451,198.28/622,653.60 = 269,917.82/x
  3. Step 3: Cross multiply
    451,198.28x = 622,653.60 × 269,917.82
  4. Step 4: Simplify right side
    451,198.28x = 168,065,302,327.15
  5. Step 5: Solve for x
    x = 168,065,302,327.15/451,198.28
  6. Step 6: Final answer
    x = 372,486.58

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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.