Home / 1,290,553.56-1,936,224.18-659,910.36

Finding the Fourth Proportional to 1,290,553.56, 1,936,224.18 and 659,910.36

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Solution

The fourth proportional to 1,290,553.56, 1,936,224.18 and 659,910.36 is: 990,066.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,553.56 : 1,936,224.18 = 659,910.36 : x
  2. Step 2: Convert to fraction form
    1,290,553.56/1,936,224.18 = 659,910.36/x
  3. Step 3: Cross multiply
    1,290,553.56x = 1,936,224.18 × 659,910.36
  4. Step 4: Simplify right side
    1,290,553.56x = 1,277,734,395,664.50
  5. Step 5: Solve for x
    x = 1,277,734,395,664.50/1,290,553.56
  6. Step 6: Final answer
    x = 990,066.93

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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.