Home / 1,268,374.64-1,900,422.32-627,824.24

Finding the Fourth Proportional to 1,268,374.64, 1,900,422.32 and 627,824.24

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Solution

The fourth proportional to 1,268,374.64, 1,900,422.32 and 627,824.24 is: 940,677.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,374.64 : 1,900,422.32 = 627,824.24 : x
  2. Step 2: Convert to fraction form
    1,268,374.64/1,900,422.32 = 627,824.24/x
  3. Step 3: Cross multiply
    1,268,374.64x = 1,900,422.32 × 627,824.24
  4. Step 4: Simplify right side
    1,268,374.64x = 1,193,131,198,733.04
  5. Step 5: Solve for x
    x = 1,193,131,198,733.04/1,268,374.64
  6. Step 6: Final answer
    x = 940,677.27

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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.