Home / 769,757.94-1,062,247.59-430,257.78

Finding the Fourth Proportional to 769,757.94, 1,062,247.59 and 430,257.78

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Solution

The fourth proportional to 769,757.94, 1,062,247.59 and 430,257.78 is: 593,745.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,757.94 : 1,062,247.59 = 430,257.78 : x
  2. Step 2: Convert to fraction form
    769,757.94/1,062,247.59 = 430,257.78/x
  3. Step 3: Cross multiply
    769,757.94x = 1,062,247.59 × 430,257.78
  4. Step 4: Simplify right side
    769,757.94x = 457,040,289,883.75
  5. Step 5: Solve for x
    x = 457,040,289,883.75/769,757.94
  6. Step 6: Final answer
    x = 593,745.47

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1.5x scale

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.