Home / 863,947.23-1,192,247.69-481,974.01

Finding the Fourth Proportional to 863,947.23, 1,192,247.69 and 481,974.01

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Solution

The fourth proportional to 863,947.23, 1,192,247.69 and 481,974.01 is: 665,124.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,947.23 : 1,192,247.69 = 481,974.01 : x
  2. Step 2: Convert to fraction form
    863,947.23/1,192,247.69 = 481,974.01/x
  3. Step 3: Cross multiply
    863,947.23x = 1,192,247.69 × 481,974.01
  4. Step 4: Simplify right side
    863,947.23x = 574,632,400,062.54
  5. Step 5: Solve for x
    x = 574,632,400,062.54/863,947.23
  6. Step 6: Final answer
    x = 665,124.42

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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.