Home / 681,844.93-1,022,603.37-208,534.39

Finding the Fourth Proportional to 681,844.93, 1,022,603.37 and 208,534.39

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Solution

The fourth proportional to 681,844.93, 1,022,603.37 and 208,534.39 is: 312,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,844.93 : 1,022,603.37 = 208,534.39 : x
  2. Step 2: Convert to fraction form
    681,844.93/1,022,603.37 = 208,534.39/x
  3. Step 3: Cross multiply
    681,844.93x = 1,022,603.37 × 208,534.39
  4. Step 4: Simplify right side
    681,844.93x = 213,247,970,471.15
  5. Step 5: Solve for x
    x = 213,247,970,471.15/681,844.93
  6. Step 6: Final answer
    x = 312,751.42

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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.