Home / 1,099,387.95-1,517,197.08-615,936.57

Finding the Fourth Proportional to 1,099,387.95, 1,517,197.08 and 615,936.57

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Solution

The fourth proportional to 1,099,387.95, 1,517,197.08 and 615,936.57 is: 850,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,387.95 : 1,517,197.08 = 615,936.57 : x
  2. Step 2: Convert to fraction form
    1,099,387.95/1,517,197.08 = 615,936.57/x
  3. Step 3: Cross multiply
    1,099,387.95x = 1,517,197.08 × 615,936.57
  4. Step 4: Simplify right side
    1,099,387.95x = 934,497,165,469.22
  5. Step 5: Solve for x
    x = 934,497,165,469.22/1,099,387.95
  6. Step 6: Final answer
    x = 850,015.83

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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.