Home / 428,336.41-591,104.25-237,349.80

Finding the Fourth Proportional to 428,336.41, 591,104.25 and 237,349.80

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Solution

The fourth proportional to 428,336.41, 591,104.25 and 237,349.80 is: 327,542.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,336.41 : 591,104.25 = 237,349.80 : x
  2. Step 2: Convert to fraction form
    428,336.41/591,104.25 = 237,349.80/x
  3. Step 3: Cross multiply
    428,336.41x = 591,104.25 × 237,349.80
  4. Step 4: Simplify right side
    428,336.41x = 140,298,474,329.90
  5. Step 5: Solve for x
    x = 140,298,474,329.90/428,336.41
  6. Step 6: Final answer
    x = 327,542.72

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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.