Home / 1,371,609.07-1,892,851.00-782,896.61

Finding the Fourth Proportional to 1,371,609.07, 1,892,851.00 and 782,896.61

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Solution

The fourth proportional to 1,371,609.07, 1,892,851.00 and 782,896.61 is: 1,080,414.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,609.07 : 1,892,851.00 = 782,896.61 : x
  2. Step 2: Convert to fraction form
    1,371,609.07/1,892,851.00 = 782,896.61/x
  3. Step 3: Cross multiply
    1,371,609.07x = 1,892,851.00 × 782,896.61
  4. Step 4: Simplify right side
    1,371,609.07x = 1,481,906,633,910.00
  5. Step 5: Solve for x
    x = 1,481,906,633,910.00/1,371,609.07
  6. Step 6: Final answer
    x = 1,080,414.73

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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.