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Finding the Fourth Proportional to 1,802,695.93, 2,487,716.49 and 986,893

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Solution

The fourth proportional to 1,802,695.93, 2,487,716.49 and 986,893 is: 1,361,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,802,695.93 : 2,487,716.49 = 986,893 : x
  2. Step 2: Convert to fraction form
    1,802,695.93/2,487,716.49 = 986,893/x
  3. Step 3: Cross multiply
    1,802,695.93x = 2,487,716.49 × 986,893
  4. Step 4: Simplify right side
    1,802,695.93x = 2,455,109,989,965.57
  5. Step 5: Solve for x
    x = 2,455,109,989,965.57/1,802,695.93
  6. Step 6: Final answer
    x = 1,361,910.21

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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.