Home / 1,311,753.06-1,963,185.11-806,633.82

Finding the Fourth Proportional to 1,311,753.06, 1,963,185.11 and 806,633.82

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Solution

The fourth proportional to 1,311,753.06, 1,963,185.11 and 806,633.82 is: 1,207,217.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,753.06 : 1,963,185.11 = 806,633.82 : x
  2. Step 2: Convert to fraction form
    1,311,753.06/1,963,185.11 = 806,633.82/x
  3. Step 3: Cross multiply
    1,311,753.06x = 1,963,185.11 × 806,633.82
  4. Step 4: Simplify right side
    1,311,753.06x = 1,583,571,504,646.42
  5. Step 5: Solve for x
    x = 1,583,571,504,646.42/1,311,753.06
  6. Step 6: Final answer
    x = 1,207,217.69

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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.