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Finding the Fourth Proportional to 1,959,822.73, 2,938,589.56 and 760,343.41

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Solution

The fourth proportional to 1,959,822.73, 2,938,589.56 and 760,343.41 is: 1,140,071.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,959,822.73 : 2,938,589.56 = 760,343.41 : x
  2. Step 2: Convert to fraction form
    1,959,822.73/2,938,589.56 = 760,343.41/x
  3. Step 3: Cross multiply
    1,959,822.73x = 2,938,589.56 × 760,343.41
  4. Step 4: Simplify right side
    1,959,822.73x = 2,234,337,206,640.80
  5. Step 5: Solve for x
    x = 2,234,337,206,640.80/1,959,822.73
  6. Step 6: Final answer
    x = 1,140,071.08

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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.