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Finding the Fourth Proportional to 1,969,940.86, 2,718,941.06 and 1,244,327.06

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Solution

The fourth proportional to 1,969,940.86, 2,718,941.06 and 1,244,327.06 is: 1,717,438.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,940.86 : 2,718,941.06 = 1,244,327.06 : x
  2. Step 2: Convert to fraction form
    1,969,940.86/2,718,941.06 = 1,244,327.06/x
  3. Step 3: Cross multiply
    1,969,940.86x = 2,718,941.06 × 1,244,327.06
  4. Step 4: Simplify right side
    1,969,940.86x = 3,383,251,929,281.45
  5. Step 5: Solve for x
    x = 3,383,251,929,281.45/1,969,940.86
  6. Step 6: Final answer
    x = 1,717,438.33

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