Home / 822,329.86-1,233,961.35-324,043.78

Finding the Fourth Proportional to 822,329.86, 1,233,961.35 and 324,043.78

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Solution

The fourth proportional to 822,329.86, 1,233,961.35 and 324,043.78 is: 486,249.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,329.86 : 1,233,961.35 = 324,043.78 : x
  2. Step 2: Convert to fraction form
    822,329.86/1,233,961.35 = 324,043.78/x
  3. Step 3: Cross multiply
    822,329.86x = 1,233,961.35 × 324,043.78
  4. Step 4: Simplify right side
    822,329.86x = 399,857,500,227.90
  5. Step 5: Solve for x
    x = 399,857,500,227.90/822,329.86
  6. Step 6: Final answer
    x = 486,249.52

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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.