Home / 862,503.36-1,189,447.34-681,647.37

Finding the Fourth Proportional to 862,503.36, 1,189,447.34 and 681,647.37

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Solution

The fourth proportional to 862,503.36, 1,189,447.34 and 681,647.37 is: 940,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,503.36 : 1,189,447.34 = 681,647.37 : x
  2. Step 2: Convert to fraction form
    862,503.36/1,189,447.34 = 681,647.37/x
  3. Step 3: Cross multiply
    862,503.36x = 1,189,447.34 × 681,647.37
  4. Step 4: Simplify right side
    862,503.36x = 810,783,643,195.83
  5. Step 5: Solve for x
    x = 810,783,643,195.83/862,503.36
  6. Step 6: Final answer
    x = 940,035.35

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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.