Home / 1,251,183.07-1,726,634.88-678,224.61

Finding the Fourth Proportional to 1,251,183.07, 1,726,634.88 and 678,224.61

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Solution

The fourth proportional to 1,251,183.07, 1,726,634.88 and 678,224.61 is: 935,951.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,183.07 : 1,726,634.88 = 678,224.61 : x
  2. Step 2: Convert to fraction form
    1,251,183.07/1,726,634.88 = 678,224.61/x
  3. Step 3: Cross multiply
    1,251,183.07x = 1,726,634.88 × 678,224.61
  4. Step 4: Simplify right side
    1,251,183.07x = 1,171,046,268,100.40
  5. Step 5: Solve for x
    x = 1,171,046,268,100.40/1,251,183.07
  6. Step 6: Final answer
    x = 935,951.18

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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.