Home / 1,394,558.40-2,091,837.60-969,405.60

Finding the Fourth Proportional to 1,394,558.40, 2,091,837.60 and 969,405.60

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Solution

The fourth proportional to 1,394,558.40, 2,091,837.60 and 969,405.60 is: 1,454,108.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,558.40 : 2,091,837.60 = 969,405.60 : x
  2. Step 2: Convert to fraction form
    1,394,558.40/2,091,837.60 = 969,405.60/x
  3. Step 3: Cross multiply
    1,394,558.40x = 2,091,837.60 × 969,405.60
  4. Step 4: Simplify right side
    1,394,558.40x = 2,027,839,083,730.56
  5. Step 5: Solve for x
    x = 2,027,839,083,730.56/1,394,558.40
  6. Step 6: Final answer
    x = 1,454,108.40

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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.