Home / 1,851,761.20-2,777,863.68-653,436

Finding the Fourth Proportional to 1,851,761.20, 2,777,863.68 and 653,436

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Solution

The fourth proportional to 1,851,761.20, 2,777,863.68 and 653,436 is: 980,232.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,761.20 : 2,777,863.68 = 653,436 : x
  2. Step 2: Convert to fraction form
    1,851,761.20/2,777,863.68 = 653,436/x
  3. Step 3: Cross multiply
    1,851,761.20x = 2,777,863.68 × 653,436
  4. Step 4: Simplify right side
    1,851,761.20x = 1,815,156,131,604.48
  5. Step 5: Solve for x
    x = 1,815,156,131,604.48/1,851,761.20
  6. Step 6: Final answer
    x = 980,232.30

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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.