Home / 326,622.40-450,788.16-199,371.76

Finding the Fourth Proportional to 326,622.40, 450,788.16 and 199,371.76

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Solution

The fourth proportional to 326,622.40, 450,788.16 and 199,371.76 is: 275,163.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,622.40 : 450,788.16 = 199,371.76 : x
  2. Step 2: Convert to fraction form
    326,622.40/450,788.16 = 199,371.76/x
  3. Step 3: Cross multiply
    326,622.40x = 450,788.16 × 199,371.76
  4. Step 4: Simplify right side
    326,622.40x = 89,874,428,846.36
  5. Step 5: Solve for x
    x = 89,874,428,846.36/326,622.40
  6. Step 6: Final answer
    x = 275,163.09

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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.