Home / 548,906.20-823,359.30-455,594.20

Finding the Fourth Proportional to 548,906.20, 823,359.30 and 455,594.20

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Solution

The fourth proportional to 548,906.20, 823,359.30 and 455,594.20 is: 683,391.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,906.20 : 823,359.30 = 455,594.20 : x
  2. Step 2: Convert to fraction form
    548,906.20/823,359.30 = 455,594.20/x
  3. Step 3: Cross multiply
    548,906.20x = 823,359.30 × 455,594.20
  4. Step 4: Simplify right side
    548,906.20x = 375,117,721,596.06
  5. Step 5: Solve for x
    x = 375,117,721,596.06/548,906.20
  6. Step 6: Final answer
    x = 683,391.30

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Double scale
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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.