Home / 682,863.22-942,351.43-376,939.80

Finding the Fourth Proportional to 682,863.22, 942,351.43 and 376,939.80

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Solution

The fourth proportional to 682,863.22, 942,351.43 and 376,939.80 is: 520,177.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,863.22 : 942,351.43 = 376,939.80 : x
  2. Step 2: Convert to fraction form
    682,863.22/942,351.43 = 376,939.80/x
  3. Step 3: Cross multiply
    682,863.22x = 942,351.43 × 376,939.80
  4. Step 4: Simplify right side
    682,863.22x = 355,209,759,553.91
  5. Step 5: Solve for x
    x = 355,209,759,553.91/682,863.22
  6. Step 6: Final answer
    x = 520,177.03

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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.