Home / 794,370.78-1,192,735.53-780,199.02

Finding the Fourth Proportional to 794,370.78, 1,192,735.53 and 780,199.02

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Solution

The fourth proportional to 794,370.78, 1,192,735.53 and 780,199.02 is: 1,171,456.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    794,370.78 : 1,192,735.53 = 780,199.02 : x
  2. Step 2: Convert to fraction form
    794,370.78/1,192,735.53 = 780,199.02/x
  3. Step 3: Cross multiply
    794,370.78x = 1,192,735.53 × 780,199.02
  4. Step 4: Simplify right side
    794,370.78x = 930,571,091,625.18
  5. Step 5: Solve for x
    x = 930,571,091,625.18/794,370.78
  6. Step 6: Final answer
    x = 1,171,456.85

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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.