Home / 1,296,112.60-1,940,766.90-914,975.20

Finding the Fourth Proportional to 1,296,112.60, 1,940,766.90 and 914,975.20

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Solution

The fourth proportional to 1,296,112.60, 1,940,766.90 and 914,975.20 is: 1,370,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,112.60 : 1,940,766.90 = 914,975.20 : x
  2. Step 2: Convert to fraction form
    1,296,112.60/1,940,766.90 = 914,975.20/x
  3. Step 3: Cross multiply
    1,296,112.60x = 1,940,766.90 × 914,975.20
  4. Step 4: Simplify right side
    1,296,112.60x = 1,775,753,582,480.88
  5. Step 5: Solve for x
    x = 1,775,753,582,480.88/1,296,112.60
  6. Step 6: Final answer
    x = 1,370,061.20

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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.