Home / 619,261.20-928,891.80-264,967.20

Finding the Fourth Proportional to 619,261.20, 928,891.80 and 264,967.20

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Solution

The fourth proportional to 619,261.20, 928,891.80 and 264,967.20 is: 397,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,261.20 : 928,891.80 = 264,967.20 : x
  2. Step 2: Convert to fraction form
    619,261.20/928,891.80 = 264,967.20/x
  3. Step 3: Cross multiply
    619,261.20x = 928,891.80 × 264,967.20
  4. Step 4: Simplify right side
    619,261.20x = 246,125,859,348.96
  5. Step 5: Solve for x
    x = 246,125,859,348.96/619,261.20
  6. Step 6: Final answer
    x = 397,450.80

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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.