Home / 548,556.20-822,834.30-455,244.20

Finding the Fourth Proportional to 548,556.20, 822,834.30 and 455,244.20

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Solution

The fourth proportional to 548,556.20, 822,834.30 and 455,244.20 is: 682,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,556.20 : 822,834.30 = 455,244.20 : x
  2. Step 2: Convert to fraction form
    548,556.20/822,834.30 = 455,244.20/x
  3. Step 3: Cross multiply
    548,556.20x = 822,834.30 × 455,244.20
  4. Step 4: Simplify right side
    548,556.20x = 374,590,542,636.06
  5. Step 5: Solve for x
    x = 374,590,542,636.06/548,556.20
  6. Step 6: Final answer
    x = 682,866.30

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Half scale
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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.