Home / 1,279,452.56-1,919,843.03-521,849.84

Finding the Fourth Proportional to 1,279,452.56, 1,919,843.03 and 521,849.84

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Solution

The fourth proportional to 1,279,452.56, 1,919,843.03 and 521,849.84 is: 783,045.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,452.56 : 1,919,843.03 = 521,849.84 : x
  2. Step 2: Convert to fraction form
    1,279,452.56/1,919,843.03 = 521,849.84/x
  3. Step 3: Cross multiply
    1,279,452.56x = 1,919,843.03 × 521,849.84
  4. Step 4: Simplify right side
    1,279,452.56x = 1,001,869,769,736.02
  5. Step 5: Solve for x
    x = 1,001,869,769,736.02/1,279,452.56
  6. Step 6: Final answer
    x = 783,045.66

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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.