Home / 551,212.20-826,623.90-196,237.80

Finding the Fourth Proportional to 551,212.20, 826,623.90 and 196,237.80

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Solution

The fourth proportional to 551,212.20, 826,623.90 and 196,237.80 is: 294,287.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,212.20 : 826,623.90 = 196,237.80 : x
  2. Step 2: Convert to fraction form
    551,212.20/826,623.90 = 196,237.80/x
  3. Step 3: Cross multiply
    551,212.20x = 826,623.90 × 196,237.80
  4. Step 4: Simplify right side
    551,212.20x = 162,214,855,563.42
  5. Step 5: Solve for x
    x = 162,214,855,563.42/551,212.20
  6. Step 6: Final answer
    x = 294,287.49

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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.