Home / 1,229,684.38-1,843,990.86-653,181.49

Finding the Fourth Proportional to 1,229,684.38, 1,843,990.86 and 653,181.49

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Solution

The fourth proportional to 1,229,684.38, 1,843,990.86 and 653,181.49 is: 979,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,684.38 : 1,843,990.86 = 653,181.49 : x
  2. Step 2: Convert to fraction form
    1,229,684.38/1,843,990.86 = 653,181.49/x
  3. Step 3: Cross multiply
    1,229,684.38x = 1,843,990.86 × 653,181.49
  4. Step 4: Simplify right side
    1,229,684.38x = 1,204,460,697,481.18
  5. Step 5: Solve for x
    x = 1,204,460,697,481.18/1,229,684.38
  6. Step 6: Final answer
    x = 979,487.68

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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.