Home / 1,115,212.61-1,538,974.44-605,911.34

Finding the Fourth Proportional to 1,115,212.61, 1,538,974.44 and 605,911.34

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Solution

The fourth proportional to 1,115,212.61, 1,538,974.44 and 605,911.34 is: 836,147.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,212.61 : 1,538,974.44 = 605,911.34 : x
  2. Step 2: Convert to fraction form
    1,115,212.61/1,538,974.44 = 605,911.34/x
  3. Step 3: Cross multiply
    1,115,212.61x = 1,538,974.44 × 605,911.34
  4. Step 4: Simplify right side
    1,115,212.61x = 932,482,069,013.59
  5. Step 5: Solve for x
    x = 932,482,069,013.59/1,115,212.61
  6. Step 6: Final answer
    x = 836,147.35

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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.