Home / 1,851,757.20-2,777,857.68-653,432

Finding the Fourth Proportional to 1,851,757.20, 2,777,857.68 and 653,432

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Solution

The fourth proportional to 1,851,757.20, 2,777,857.68 and 653,432 is: 980,226.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,757.20 : 2,777,857.68 = 653,432 : x
  2. Step 2: Convert to fraction form
    1,851,757.20/2,777,857.68 = 653,432/x
  3. Step 3: Cross multiply
    1,851,757.20x = 2,777,857.68 × 653,432
  4. Step 4: Simplify right side
    1,851,757.20x = 1,815,141,099,557.76
  5. Step 5: Solve for x
    x = 1,815,141,099,557.76/1,851,757.20
  6. Step 6: Final answer
    x = 980,226.30

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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.