Home / 863,716.24-1,191,930.48-481,767.76

Finding the Fourth Proportional to 863,716.24, 1,191,930.48 and 481,767.76

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Solution

The fourth proportional to 863,716.24, 1,191,930.48 and 481,767.76 is: 664,840.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,716.24 : 1,191,930.48 = 481,767.76 : x
  2. Step 2: Convert to fraction form
    863,716.24/1,191,930.48 = 481,767.76/x
  3. Step 3: Cross multiply
    863,716.24x = 1,191,930.48 × 481,767.76
  4. Step 4: Simplify right side
    863,716.24x = 574,233,677,425.33
  5. Step 5: Solve for x
    x = 574,233,677,425.33/863,716.24
  6. Step 6: Final answer
    x = 664,840.66

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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.