Home / 1,322,116.59-1,983,175.53-872,732.43

Finding the Fourth Proportional to 1,322,116.59, 1,983,175.53 and 872,732.43

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Solution

The fourth proportional to 1,322,116.59, 1,983,175.53 and 872,732.43 is: 1,309,099.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,116.59 : 1,983,175.53 = 872,732.43 : x
  2. Step 2: Convert to fraction form
    1,322,116.59/1,983,175.53 = 872,732.43/x
  3. Step 3: Cross multiply
    1,322,116.59x = 1,983,175.53 × 872,732.43
  4. Step 4: Simplify right side
    1,322,116.59x = 1,730,781,599,413.44
  5. Step 5: Solve for x
    x = 1,730,781,599,413.44/1,322,116.59
  6. Step 6: Final answer
    x = 1,309,099.07

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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.