Home / 1,200,353.11-1,792,863.75-1,086,326.17

Finding the Fourth Proportional to 1,200,353.11, 1,792,863.75 and 1,086,326.17

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Solution

The fourth proportional to 1,200,353.11, 1,792,863.75 and 1,086,326.17 is: 1,622,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,353.11 : 1,792,863.75 = 1,086,326.17 : x
  2. Step 2: Convert to fraction form
    1,200,353.11/1,792,863.75 = 1,086,326.17/x
  3. Step 3: Cross multiply
    1,200,353.11x = 1,792,863.75 × 1,086,326.17
  4. Step 4: Simplify right side
    1,200,353.11x = 1,947,634,810,460.90
  5. Step 5: Solve for x
    x = 1,947,634,810,460.90/1,200,353.11
  6. Step 6: Final answer
    x = 1,622,551.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.