Home / 822,198.22-1,232,396.52-422,860.12

Finding the Fourth Proportional to 822,198.22, 1,232,396.52 and 422,860.12

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Solution

The fourth proportional to 822,198.22, 1,232,396.52 and 422,860.12 is: 633,826.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,198.22 : 1,232,396.52 = 422,860.12 : x
  2. Step 2: Convert to fraction form
    822,198.22/1,232,396.52 = 422,860.12/x
  3. Step 3: Cross multiply
    822,198.22x = 1,232,396.52 × 422,860.12
  4. Step 4: Simplify right side
    822,198.22x = 521,131,340,334.78
  5. Step 5: Solve for x
    x = 521,131,340,334.78/822,198.22
  6. Step 6: Final answer
    x = 633,826.89

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1.5x scale

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.