Home / 1,643,579.64-2,268,097.61-918,433.31

Finding the Fourth Proportional to 1,643,579.64, 2,268,097.61 and 918,433.31

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Solution

The fourth proportional to 1,643,579.64, 2,268,097.61 and 918,433.31 is: 1,267,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,579.64 : 2,268,097.61 = 918,433.31 : x
  2. Step 2: Convert to fraction form
    1,643,579.64/2,268,097.61 = 918,433.31/x
  3. Step 3: Cross multiply
    1,643,579.64x = 2,268,097.61 × 918,433.31
  4. Step 4: Simplify right side
    1,643,579.64x = 2,083,096,379,422.73
  5. Step 5: Solve for x
    x = 2,083,096,379,422.73/1,643,579.64
  6. Step 6: Final answer
    x = 1,267,414.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.