Home / 619,213.98-929,235.21-225,229.98

Finding the Fourth Proportional to 619,213.98, 929,235.21 and 225,229.98

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Solution

The fourth proportional to 619,213.98, 929,235.21 and 225,229.98 is: 337,995.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,213.98 : 929,235.21 = 225,229.98 : x
  2. Step 2: Convert to fraction form
    619,213.98/929,235.21 = 225,229.98/x
  3. Step 3: Cross multiply
    619,213.98x = 929,235.21 × 225,229.98
  4. Step 4: Simplify right side
    619,213.98x = 209,291,627,763.60
  5. Step 5: Solve for x
    x = 209,291,627,763.60/619,213.98
  6. Step 6: Final answer
    x = 337,995.64

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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.