Home / 457,270.20-685,905.30-124,846.20

Finding the Fourth Proportional to 457,270.20, 685,905.30 and 124,846.20

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Solution

The fourth proportional to 457,270.20, 685,905.30 and 124,846.20 is: 187,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,270.20 : 685,905.30 = 124,846.20 : x
  2. Step 2: Convert to fraction form
    457,270.20/685,905.30 = 124,846.20/x
  3. Step 3: Cross multiply
    457,270.20x = 685,905.30 × 124,846.20
  4. Step 4: Simplify right side
    457,270.20x = 85,632,670,264.86
  5. Step 5: Solve for x
    x = 85,632,670,264.86/457,270.20
  6. Step 6: Final answer
    x = 187,269.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.