Home / 691,126.36-1,036,619.44-185,621.64

Finding the Fourth Proportional to 691,126.36, 1,036,619.44 and 185,621.64

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Solution

The fourth proportional to 691,126.36, 1,036,619.44 and 185,621.64 is: 278,413.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,126.36 : 1,036,619.44 = 185,621.64 : x
  2. Step 2: Convert to fraction form
    691,126.36/1,036,619.44 = 185,621.64/x
  3. Step 3: Cross multiply
    691,126.36x = 1,036,619.44 × 185,621.64
  4. Step 4: Simplify right side
    691,126.36x = 192,419,000,508.68
  5. Step 5: Solve for x
    x = 192,419,000,508.68/691,126.36
  6. Step 6: Final answer
    x = 278,413.63

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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.