Home / 1,279,404.01-1,919,770.22-521,801.29

Finding the Fourth Proportional to 1,279,404.01, 1,919,770.22 and 521,801.29

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Solution

The fourth proportional to 1,279,404.01, 1,919,770.22 and 521,801.29 is: 782,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,404.01 : 1,919,770.22 = 521,801.29 : x
  2. Step 2: Convert to fraction form
    1,279,404.01/1,919,770.22 = 521,801.29/x
  3. Step 3: Cross multiply
    1,279,404.01x = 1,919,770.22 × 521,801.29
  4. Step 4: Simplify right side
    1,279,404.01x = 1,001,738,577,299.58
  5. Step 5: Solve for x
    x = 1,001,738,577,299.58/1,279,404.01
  6. Step 6: Final answer
    x = 782,972.83

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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.