Home / 496,942.80-685,606.20-324,961.44

Finding the Fourth Proportional to 496,942.80, 685,606.20 and 324,961.44

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Solution

The fourth proportional to 496,942.80, 685,606.20 and 324,961.44 is: 448,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,942.80 : 685,606.20 = 324,961.44 : x
  2. Step 2: Convert to fraction form
    496,942.80/685,606.20 = 324,961.44/x
  3. Step 3: Cross multiply
    496,942.80x = 685,606.20 × 324,961.44
  4. Step 4: Simplify right side
    496,942.80x = 222,795,578,024.93
  5. Step 5: Solve for x
    x = 222,795,578,024.93/496,942.80
  6. Step 6: Final answer
    x = 448,332.44

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1.5x scale

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.