Home / 551,619.20-827,234.40-196,644.80

Finding the Fourth Proportional to 551,619.20, 827,234.40 and 196,644.80

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Solution

The fourth proportional to 551,619.20, 827,234.40 and 196,644.80 is: 294,897.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,619.20 : 827,234.40 = 196,644.80 : x
  2. Step 2: Convert to fraction form
    551,619.20/827,234.40 = 196,644.80/x
  3. Step 3: Cross multiply
    551,619.20x = 827,234.40 × 196,644.80
  4. Step 4: Simplify right side
    551,619.20x = 162,671,343,141.12
  5. Step 5: Solve for x
    x = 162,671,343,141.12/551,619.20
  6. Step 6: Final answer
    x = 294,897.90

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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.