Home / 823,371.05-1,136,949.54-517,545.92

Finding the Fourth Proportional to 823,371.05, 1,136,949.54 and 517,545.92

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Solution

The fourth proportional to 823,371.05, 1,136,949.54 and 517,545.92 is: 714,651.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,371.05 : 1,136,949.54 = 517,545.92 : x
  2. Step 2: Convert to fraction form
    823,371.05/1,136,949.54 = 517,545.92/x
  3. Step 3: Cross multiply
    823,371.05x = 1,136,949.54 × 517,545.92
  4. Step 4: Simplify right side
    823,371.05x = 588,423,595,672.88
  5. Step 5: Solve for x
    x = 588,423,595,672.88/823,371.05
  6. Step 6: Final answer
    x = 714,651.79

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Why These Related Problems?

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