Home / 748,974.20-1,121,711.70-733,940.60

Finding the Fourth Proportional to 748,974.20, 1,121,711.70 and 733,940.60

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Solution

The fourth proportional to 748,974.20, 1,121,711.70 and 733,940.60 is: 1,099,196.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,974.20 : 1,121,711.70 = 733,940.60 : x
  2. Step 2: Convert to fraction form
    748,974.20/1,121,711.70 = 733,940.60/x
  3. Step 3: Cross multiply
    748,974.20x = 1,121,711.70 × 733,940.60
  4. Step 4: Simplify right side
    748,974.20x = 823,269,758,125.02
  5. Step 5: Solve for x
    x = 823,269,758,125.02/748,974.20
  6. Step 6: Final answer
    x = 1,099,196.42

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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.