Home / 1,311,697.67-1,963,102.46-806,578.59

Finding the Fourth Proportional to 1,311,697.67, 1,963,102.46 and 806,578.59

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Solution

The fourth proportional to 1,311,697.67, 1,963,102.46 and 806,578.59 is: 1,207,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,697.67 : 1,963,102.46 = 806,578.59 : x
  2. Step 2: Convert to fraction form
    1,311,697.67/1,963,102.46 = 806,578.59/x
  3. Step 3: Cross multiply
    1,311,697.67x = 1,963,102.46 × 806,578.59
  4. Step 4: Simplify right side
    1,311,697.67x = 1,583,396,403,245.90
  5. Step 5: Solve for x
    x = 1,583,396,403,245.90/1,311,697.67
  6. Step 6: Final answer
    x = 1,207,135.18

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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.