Home / 1,219,755.51-1,829,738.97-321,190.11

Finding the Fourth Proportional to 1,219,755.51, 1,829,738.97 and 321,190.11

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Solution

The fourth proportional to 1,219,755.51, 1,829,738.97 and 321,190.11 is: 481,813.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,755.51 : 1,829,738.97 = 321,190.11 : x
  2. Step 2: Convert to fraction form
    1,219,755.51/1,829,738.97 = 321,190.11/x
  3. Step 3: Cross multiply
    1,219,755.51x = 1,829,738.97 × 321,190.11
  4. Step 4: Simplify right side
    1,219,755.51x = 587,694,061,045.59
  5. Step 5: Solve for x
    x = 587,694,061,045.59/1,219,755.51
  6. Step 6: Final answer
    x = 481,813.00

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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.