Home / 326,622.24-450,788.22-199,371.78

Finding the Fourth Proportional to 326,622.24, 450,788.22 and 199,371.78

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Solution

The fourth proportional to 326,622.24, 450,788.22 and 199,371.78 is: 275,163.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,622.24 : 450,788.22 = 199,371.78 : x
  2. Step 2: Convert to fraction form
    326,622.24/450,788.22 = 199,371.78/x
  3. Step 3: Cross multiply
    326,622.24x = 450,788.22 × 199,371.78
  4. Step 4: Simplify right side
    326,622.24x = 89,874,449,824.43
  5. Step 5: Solve for x
    x = 89,874,449,824.43/326,622.24
  6. Step 6: Final answer
    x = 275,163.29

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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.