Home / 1,327,738.05-1,991,604.04-569,087.60

Finding the Fourth Proportional to 1,327,738.05, 1,991,604.04 and 569,087.60

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Solution

The fourth proportional to 1,327,738.05, 1,991,604.04 and 569,087.60 is: 853,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,738.05 : 1,991,604.04 = 569,087.60 : x
  2. Step 2: Convert to fraction form
    1,327,738.05/1,991,604.04 = 569,087.60/x
  3. Step 3: Cross multiply
    1,327,738.05x = 1,991,604.04 × 569,087.60
  4. Step 4: Simplify right side
    1,327,738.05x = 1,133,397,151,893.16
  5. Step 5: Solve for x
    x = 1,133,397,151,893.16/1,327,738.05
  6. Step 6: Final answer
    x = 853,630.09

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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.