Home / 1,251,786.24-1,727,465.94-678,826.28

Finding the Fourth Proportional to 1,251,786.24, 1,727,465.94 and 678,826.28

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Solution

The fourth proportional to 1,251,786.24, 1,727,465.94 and 678,826.28 is: 936,780.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,786.24 : 1,727,465.94 = 678,826.28 : x
  2. Step 2: Convert to fraction form
    1,251,786.24/1,727,465.94 = 678,826.28/x
  3. Step 3: Cross multiply
    1,251,786.24x = 1,727,465.94 × 678,826.28
  4. Step 4: Simplify right side
    1,251,786.24x = 1,172,649,277,876.90
  5. Step 5: Solve for x
    x = 1,172,649,277,876.90/1,251,786.24
  6. Step 6: Final answer
    x = 936,780.77

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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.