Home / 493,072.15-680,450.19-272,308.75

Finding the Fourth Proportional to 493,072.15, 680,450.19 and 272,308.75

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Solution

The fourth proportional to 493,072.15, 680,450.19 and 272,308.75 is: 375,791.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,072.15 : 680,450.19 = 272,308.75 : x
  2. Step 2: Convert to fraction form
    493,072.15/680,450.19 = 272,308.75/x
  3. Step 3: Cross multiply
    493,072.15x = 680,450.19 × 272,308.75
  4. Step 4: Simplify right side
    493,072.15x = 185,292,540,676.16
  5. Step 5: Solve for x
    x = 185,292,540,676.16/493,072.15
  6. Step 6: Final answer
    x = 375,791.94

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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.