Home / 547,846.45-821,769.64-148,487.22

Finding the Fourth Proportional to 547,846.45, 821,769.64 and 148,487.22

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Solution

The fourth proportional to 547,846.45, 821,769.64 and 148,487.22 is: 222,730.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,846.45 : 821,769.64 = 148,487.22 : x
  2. Step 2: Convert to fraction form
    547,846.45/821,769.64 = 148,487.22/x
  3. Step 3: Cross multiply
    547,846.45x = 821,769.64 × 148,487.22
  4. Step 4: Simplify right side
    547,846.45x = 122,022,289,324.00
  5. Step 5: Solve for x
    x = 122,022,289,324.00/547,846.45
  6. Step 6: Final answer
    x = 222,730.82

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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.