Home / 859,910.37-1,183,965.84-780,194.22

Finding the Fourth Proportional to 859,910.37, 1,183,965.84 and 780,194.22

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Solution

The fourth proportional to 859,910.37, 1,183,965.84 and 780,194.22 is: 1,074,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,910.37 : 1,183,965.84 = 780,194.22 : x
  2. Step 2: Convert to fraction form
    859,910.37/1,183,965.84 = 780,194.22/x
  3. Step 3: Cross multiply
    859,910.37x = 1,183,965.84 × 780,194.22
  4. Step 4: Simplify right side
    859,910.37x = 923,723,305,045.45
  5. Step 5: Solve for x
    x = 923,723,305,045.45/859,910.37
  6. Step 6: Final answer
    x = 1,074,208.82

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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.