Home / 322,788.72-445,406.04-179,520.24

Finding the Fourth Proportional to 322,788.72, 445,406.04 and 179,520.24

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Solution

The fourth proportional to 322,788.72, 445,406.04 and 179,520.24 is: 247,714.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,788.72 : 445,406.04 = 179,520.24 : x
  2. Step 2: Convert to fraction form
    322,788.72/445,406.04 = 179,520.24/x
  3. Step 3: Cross multiply
    322,788.72x = 445,406.04 × 179,520.24
  4. Step 4: Simplify right side
    322,788.72x = 79,959,399,198.25
  5. Step 5: Solve for x
    x = 79,959,399,198.25/322,788.72
  6. Step 6: Final answer
    x = 247,714.35

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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.