Home / 451,818.24-677,286.72-215,097.36

Finding the Fourth Proportional to 451,818.24, 677,286.72 and 215,097.36

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Solution

The fourth proportional to 451,818.24, 677,286.72 and 215,097.36 is: 322,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,818.24 : 677,286.72 = 215,097.36 : x
  2. Step 2: Convert to fraction form
    451,818.24/677,286.72 = 215,097.36/x
  3. Step 3: Cross multiply
    451,818.24x = 677,286.72 × 215,097.36
  4. Step 4: Simplify right side
    451,818.24x = 145,682,585,435.06
  5. Step 5: Solve for x
    x = 145,682,585,435.06/451,818.24
  6. Step 6: Final answer
    x = 322,436.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.