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Finding the Fourth Proportional to 1,795,890.60, 2,693,835.90 and 1,293,974.10

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Solution

The fourth proportional to 1,795,890.60, 2,693,835.90 and 1,293,974.10 is: 1,940,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,795,890.60 : 2,693,835.90 = 1,293,974.10 : x
  2. Step 2: Convert to fraction form
    1,795,890.60/2,693,835.90 = 1,293,974.10/x
  3. Step 3: Cross multiply
    1,795,890.60x = 2,693,835.90 × 1,293,974.10
  4. Step 4: Simplify right side
    1,795,890.60x = 3,485,753,884,250.19
  5. Step 5: Solve for x
    x = 3,485,753,884,250.19/1,795,890.60
  6. Step 6: Final answer
    x = 1,940,961.15

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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.