Home / 1,114,770.78-1,538,375.22-605,476.80

Finding the Fourth Proportional to 1,114,770.78, 1,538,375.22 and 605,476.80

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Solution

The fourth proportional to 1,114,770.78, 1,538,375.22 and 605,476.80 is: 835,553.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,770.78 : 1,538,375.22 = 605,476.80 : x
  2. Step 2: Convert to fraction form
    1,114,770.78/1,538,375.22 = 605,476.80/x
  3. Step 3: Cross multiply
    1,114,770.78x = 1,538,375.22 × 605,476.80
  4. Step 4: Simplify right side
    1,114,770.78x = 931,450,505,404.90
  5. Step 5: Solve for x
    x = 931,450,505,404.90/1,114,770.78
  6. Step 6: Final answer
    x = 835,553.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.