Home / 1,720,396.89-2,579,366.57-809,069.13

Finding the Fourth Proportional to 1,720,396.89, 2,579,366.57 and 809,069.13

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Solution

The fourth proportional to 1,720,396.89, 2,579,366.57 and 809,069.13 is: 1,213,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,396.89 : 2,579,366.57 = 809,069.13 : x
  2. Step 2: Convert to fraction form
    1,720,396.89/2,579,366.57 = 809,069.13/x
  3. Step 3: Cross multiply
    1,720,396.89x = 2,579,366.57 × 809,069.13
  4. Step 4: Simplify right side
    1,720,396.89x = 2,086,885,862,695.64
  5. Step 5: Solve for x
    x = 2,086,885,862,695.64/1,720,396.89
  6. Step 6: Final answer
    x = 1,213,025.83

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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.