Home / 1,172,986.56-1,619,454.40-806,095.68

Finding the Fourth Proportional to 1,172,986.56, 1,619,454.40 and 806,095.68

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Solution

The fourth proportional to 1,172,986.56, 1,619,454.40 and 806,095.68 is: 1,112,915.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,986.56 : 1,619,454.40 = 806,095.68 : x
  2. Step 2: Convert to fraction form
    1,172,986.56/1,619,454.40 = 806,095.68/x
  3. Step 3: Cross multiply
    1,172,986.56x = 1,619,454.40 × 806,095.68
  4. Step 4: Simplify right side
    1,172,986.56x = 1,305,435,195,796.99
  5. Step 5: Solve for x
    x = 1,305,435,195,796.99/1,172,986.56
  6. Step 6: Final answer
    x = 1,112,915.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.