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Finding the Fourth Proportional to 1,435,755.82, 1,981,436.03 and 823,934.37

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Solution

The fourth proportional to 1,435,755.82, 1,981,436.03 and 823,934.37 is: 1,137,082.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,755.82 : 1,981,436.03 = 823,934.37 : x
  2. Step 2: Convert to fraction form
    1,435,755.82/1,981,436.03 = 823,934.37/x
  3. Step 3: Cross multiply
    1,435,755.82x = 1,981,436.03 × 823,934.37
  4. Step 4: Simplify right side
    1,435,755.82x = 1,632,573,237,166.17
  5. Step 5: Solve for x
    x = 1,632,573,237,166.17/1,435,755.82
  6. Step 6: Final answer
    x = 1,137,082.80

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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.