Home / 1,099,391.45-1,517,201.91-615,940.07

Finding the Fourth Proportional to 1,099,391.45, 1,517,201.91 and 615,940.07

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Solution

The fourth proportional to 1,099,391.45, 1,517,201.91 and 615,940.07 is: 850,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,391.45 : 1,517,201.91 = 615,940.07 : x
  2. Step 2: Convert to fraction form
    1,099,391.45/1,517,201.91 = 615,940.07/x
  3. Step 3: Cross multiply
    1,099,391.45x = 1,517,201.91 × 615,940.07
  4. Step 4: Simplify right side
    1,099,391.45x = 934,505,443,063.52
  5. Step 5: Solve for x
    x = 934,505,443,063.52/1,099,391.45
  6. Step 6: Final answer
    x = 850,020.66

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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.