Home / 769,709.94-1,062,168.35-425,523.98

Finding the Fourth Proportional to 769,709.94, 1,062,168.35 and 425,523.98

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Solution

The fourth proportional to 769,709.94, 1,062,168.35 and 425,523.98 is: 587,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,709.94 : 1,062,168.35 = 425,523.98 : x
  2. Step 2: Convert to fraction form
    769,709.94/1,062,168.35 = 425,523.98/x
  3. Step 3: Cross multiply
    769,709.94x = 1,062,168.35 × 425,523.98
  4. Step 4: Simplify right side
    769,709.94x = 451,978,096,283.57
  5. Step 5: Solve for x
    x = 451,978,096,283.57/769,709.94
  6. Step 6: Final answer
    x = 587,205.74

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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.