Home / 496,629.60-685,363.20-270,289.44

Finding the Fourth Proportional to 496,629.60, 685,363.20 and 270,289.44

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Solution

The fourth proportional to 496,629.60, 685,363.20 and 270,289.44 is: 373,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,629.60 : 685,363.20 = 270,289.44 : x
  2. Step 2: Convert to fraction form
    496,629.60/685,363.20 = 270,289.44/x
  3. Step 3: Cross multiply
    496,629.60x = 685,363.20 × 270,289.44
  4. Step 4: Simplify right side
    496,629.60x = 185,246,435,524.61
  5. Step 5: Solve for x
    x = 185,246,435,524.61/496,629.60
  6. Step 6: Final answer
    x = 373,007.24

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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.