Home / 452,786.22-679,172.31-115,823.79

Finding the Fourth Proportional to 452,786.22, 679,172.31 and 115,823.79

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Solution

The fourth proportional to 452,786.22, 679,172.31 and 115,823.79 is: 173,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,786.22 : 679,172.31 = 115,823.79 : x
  2. Step 2: Convert to fraction form
    452,786.22/679,172.31 = 115,823.79/x
  3. Step 3: Cross multiply
    452,786.22x = 679,172.31 × 115,823.79
  4. Step 4: Simplify right side
    452,786.22x = 78,664,311,007.25
  5. Step 5: Solve for x
    x = 78,664,311,007.25/452,786.22
  6. Step 6: Final answer
    x = 173,733.89

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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.