Home / 551,623.20-827,240.40-196,648.80

Finding the Fourth Proportional to 551,623.20, 827,240.40 and 196,648.80

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Solution

The fourth proportional to 551,623.20, 827,240.40 and 196,648.80 is: 294,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,623.20 : 827,240.40 = 196,648.80 : x
  2. Step 2: Convert to fraction form
    551,623.20/827,240.40 = 196,648.80/x
  3. Step 3: Cross multiply
    551,623.20x = 827,240.40 × 196,648.80
  4. Step 4: Simplify right side
    551,623.20x = 162,675,831,971.52
  5. Step 5: Solve for x
    x = 162,675,831,971.52/551,623.20
  6. Step 6: Final answer
    x = 294,903.90

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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.