Home / 1,976,293.21-2,964,735.06-628,499.78

Finding the Fourth Proportional to 1,976,293.21, 2,964,735.06 and 628,499.78

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Solution

The fourth proportional to 1,976,293.21, 2,964,735.06 and 628,499.78 is: 942,843.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,293.21 : 2,964,735.06 = 628,499.78 : x
  2. Step 2: Convert to fraction form
    1,976,293.21/2,964,735.06 = 628,499.78/x
  3. Step 3: Cross multiply
    1,976,293.21x = 2,964,735.06 × 628,499.78
  4. Step 4: Simplify right side
    1,976,293.21x = 1,863,335,340,380.12
  5. Step 5: Solve for x
    x = 1,863,335,340,380.12/1,976,293.21
  6. Step 6: Final answer
    x = 942,843.57

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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.