Home / 863,720.24-1,191,936-481,771.76

Finding the Fourth Proportional to 863,720.24, 1,191,936 and 481,771.76

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Solution

The fourth proportional to 863,720.24, 1,191,936 and 481,771.76 is: 664,846.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,720.24 : 1,191,936 = 481,771.76 : x
  2. Step 2: Convert to fraction form
    863,720.24/1,191,936 = 481,771.76/x
  3. Step 3: Cross multiply
    863,720.24x = 1,191,936 × 481,771.76
  4. Step 4: Simplify right side
    863,720.24x = 574,241,104,527.36
  5. Step 5: Solve for x
    x = 574,241,104,527.36/863,720.24
  6. Step 6: Final answer
    x = 664,846.18

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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.