Home / 828,508.21-1,143,105.50-497,229.57

Finding the Fourth Proportional to 828,508.21, 1,143,105.50 and 497,229.57

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Solution

The fourth proportional to 828,508.21, 1,143,105.50 and 497,229.57 is: 686,035.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,508.21 : 1,143,105.50 = 497,229.57 : x
  2. Step 2: Convert to fraction form
    828,508.21/1,143,105.50 = 497,229.57/x
  3. Step 3: Cross multiply
    828,508.21x = 1,143,105.50 × 497,229.57
  4. Step 4: Simplify right side
    828,508.21x = 568,385,856,229.64
  5. Step 5: Solve for x
    x = 568,385,856,229.64/828,508.21
  6. Step 6: Final answer
    x = 686,035.27

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.