Home / 681,164.57-1,021,743.98-207,848.33

Finding the Fourth Proportional to 681,164.57, 1,021,743.98 and 207,848.33

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Solution

The fourth proportional to 681,164.57, 1,021,743.98 and 207,848.33 is: 311,771.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,164.57 : 1,021,743.98 = 207,848.33 : x
  2. Step 2: Convert to fraction form
    681,164.57/1,021,743.98 = 207,848.33/x
  3. Step 3: Cross multiply
    681,164.57x = 1,021,743.98 × 207,848.33
  4. Step 4: Simplify right side
    681,164.57x = 212,367,778,891.31
  5. Step 5: Solve for x
    x = 212,367,778,891.31/681,164.57
  6. Step 6: Final answer
    x = 311,771.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.