Home / 777,193.97-1,165,948.13-327,915.81

Finding the Fourth Proportional to 777,193.97, 1,165,948.13 and 327,915.81

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Solution

The fourth proportional to 777,193.97, 1,165,948.13 and 327,915.81 is: 491,940.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,193.97 : 1,165,948.13 = 327,915.81 : x
  2. Step 2: Convert to fraction form
    777,193.97/1,165,948.13 = 327,915.81/x
  3. Step 3: Cross multiply
    777,193.97x = 1,165,948.13 × 327,915.81
  4. Step 4: Simplify right side
    777,193.97x = 382,332,825,466.94
  5. Step 5: Solve for x
    x = 382,332,825,466.94/777,193.97
  6. Step 6: Final answer
    x = 491,940.03

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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.