Home / 828,748.08-1,243,122.12-548,199.72

Finding the Fourth Proportional to 828,748.08, 1,243,122.12 and 548,199.72

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Solution

The fourth proportional to 828,748.08, 1,243,122.12 and 548,199.72 is: 822,299.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,748.08 : 1,243,122.12 = 548,199.72 : x
  2. Step 2: Convert to fraction form
    828,748.08/1,243,122.12 = 548,199.72/x
  3. Step 3: Cross multiply
    828,748.08x = 1,243,122.12 × 548,199.72
  4. Step 4: Simplify right side
    828,748.08x = 681,479,198,109.81
  5. Step 5: Solve for x
    x = 681,479,198,109.81/828,748.08
  6. Step 6: Final answer
    x = 822,299.58

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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.