Home / 890,874.78-1,229,540.31-701,314.62

Finding the Fourth Proportional to 890,874.78, 1,229,540.31 and 701,314.62

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Solution

The fourth proportional to 890,874.78, 1,229,540.31 and 701,314.62 is: 967,918.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,874.78 : 1,229,540.31 = 701,314.62 : x
  2. Step 2: Convert to fraction form
    890,874.78/1,229,540.31 = 701,314.62/x
  3. Step 3: Cross multiply
    890,874.78x = 1,229,540.31 × 701,314.62
  4. Step 4: Simplify right side
    890,874.78x = 862,294,595,282.33
  5. Step 5: Solve for x
    x = 862,294,595,282.33/890,874.78
  6. Step 6: Final answer
    x = 967,918.97

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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.