Home / 846,410.91-1,268,948.31-419,652.48

Finding the Fourth Proportional to 846,410.91, 1,268,948.31 and 419,652.48

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Solution

The fourth proportional to 846,410.91, 1,268,948.31 and 419,652.48 is: 629,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,410.91 : 1,268,948.31 = 419,652.48 : x
  2. Step 2: Convert to fraction form
    846,410.91/1,268,948.31 = 419,652.48/x
  3. Step 3: Cross multiply
    846,410.91x = 1,268,948.31 × 419,652.48
  4. Step 4: Simplify right side
    846,410.91x = 532,517,305,283.31
  5. Step 5: Solve for x
    x = 532,517,305,283.31/846,410.91
  6. Step 6: Final answer
    x = 629,147.50

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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.