Home / 662,518.20-993,777.30-219,286.20

Finding the Fourth Proportional to 662,518.20, 993,777.30 and 219,286.20

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Solution

The fourth proportional to 662,518.20, 993,777.30 and 219,286.20 is: 328,929.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,518.20 : 993,777.30 = 219,286.20 : x
  2. Step 2: Convert to fraction form
    662,518.20/993,777.30 = 219,286.20/x
  3. Step 3: Cross multiply
    662,518.20x = 993,777.30 × 219,286.20
  4. Step 4: Simplify right side
    662,518.20x = 217,921,647,763.26
  5. Step 5: Solve for x
    x = 217,921,647,763.26/662,518.20
  6. Step 6: Final answer
    x = 328,929.30

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Half scale
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Double scale
Find fourth proportional to 662,519.20, 993,778.80 and 219,287.20
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.