Home / 428,548.72-591,277.58-337,622.48

Finding the Fourth Proportional to 428,548.72, 591,277.58 and 337,622.48

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Solution

The fourth proportional to 428,548.72, 591,277.58 and 337,622.48 is: 465,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,548.72 : 591,277.58 = 337,622.48 : x
  2. Step 2: Convert to fraction form
    428,548.72/591,277.58 = 337,622.48/x
  3. Step 3: Cross multiply
    428,548.72x = 591,277.58 × 337,622.48
  4. Step 4: Simplify right side
    428,548.72x = 199,628,603,786.54
  5. Step 5: Solve for x
    x = 199,628,603,786.54/428,548.72
  6. Step 6: Final answer
    x = 465,824.76

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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.