Home / 828,256.20-1,242,384.30-295,794.60

Finding the Fourth Proportional to 828,256.20, 1,242,384.30 and 295,794.60

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Solution

The fourth proportional to 828,256.20, 1,242,384.30 and 295,794.60 is: 443,691.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,256.20 : 1,242,384.30 = 295,794.60 : x
  2. Step 2: Convert to fraction form
    828,256.20/1,242,384.30 = 295,794.60/x
  3. Step 3: Cross multiply
    828,256.20x = 1,242,384.30 × 295,794.60
  4. Step 4: Simplify right side
    828,256.20x = 367,490,567,064.78
  5. Step 5: Solve for x
    x = 367,490,567,064.78/828,256.20
  6. Step 6: Final answer
    x = 443,691.90

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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.