Home / 488,836.06-673,887.30-343,198.46

Finding the Fourth Proportional to 488,836.06, 673,887.30 and 343,198.46

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Solution

The fourth proportional to 488,836.06, 673,887.30 and 343,198.46 is: 473,117.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,836.06 : 673,887.30 = 343,198.46 : x
  2. Step 2: Convert to fraction form
    488,836.06/673,887.30 = 343,198.46/x
  3. Step 3: Cross multiply
    488,836.06x = 673,887.30 × 343,198.46
  4. Step 4: Simplify right side
    488,836.06x = 231,277,083,573.56
  5. Step 5: Solve for x
    x = 231,277,083,573.56/488,836.06
  6. Step 6: Final answer
    x = 473,117.89

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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.