Home / 1,890,910.98-2,836,391.09-628,738.61

Finding the Fourth Proportional to 1,890,910.98, 2,836,391.09 and 628,738.61

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Solution

The fourth proportional to 1,890,910.98, 2,836,391.09 and 628,738.61 is: 943,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,910.98 : 2,836,391.09 = 628,738.61 : x
  2. Step 2: Convert to fraction form
    1,890,910.98/2,836,391.09 = 628,738.61/x
  3. Step 3: Cross multiply
    1,890,910.98x = 2,836,391.09 × 628,738.61
  4. Step 4: Simplify right side
    1,890,910.98x = 1,783,348,574,017.34
  5. Step 5: Solve for x
    x = 1,783,348,574,017.34/1,890,910.98
  6. Step 6: Final answer
    x = 943,116.09

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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.