Home / 428,845.33-591,806.94-237,858.73

Finding the Fourth Proportional to 428,845.33, 591,806.94 and 237,858.73

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Solution

The fourth proportional to 428,845.33, 591,806.94 and 237,858.73 is: 328,245.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,845.33 : 591,806.94 = 237,858.73 : x
  2. Step 2: Convert to fraction form
    428,845.33/591,806.94 = 237,858.73/x
  3. Step 3: Cross multiply
    428,845.33x = 591,806.94 × 237,858.73
  4. Step 4: Simplify right side
    428,845.33x = 140,766,447,153.59
  5. Step 5: Solve for x
    x = 140,766,447,153.59/428,845.33
  6. Step 6: Final answer
    x = 328,245.26

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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.