Home / 741,638.26-1,111,797.62-268,218.36

Finding the Fourth Proportional to 741,638.26, 1,111,797.62 and 268,218.36

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Solution

The fourth proportional to 741,638.26, 1,111,797.62 and 268,218.36 is: 402,088.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,638.26 : 1,111,797.62 = 268,218.36 : x
  2. Step 2: Convert to fraction form
    741,638.26/1,111,797.62 = 268,218.36/x
  3. Step 3: Cross multiply
    741,638.26x = 1,111,797.62 × 268,218.36
  4. Step 4: Simplify right side
    741,638.26x = 298,204,534,288.30
  5. Step 5: Solve for x
    x = 298,204,534,288.30/741,638.26
  6. Step 6: Final answer
    x = 402,088.93

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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.