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Finding the Fourth Proportional to 1,436,602.82, 1,982,511.24 and 824,795.04

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Solution

The fourth proportional to 1,436,602.82, 1,982,511.24 and 824,795.04 is: 1,138,216.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,602.82 : 1,982,511.24 = 824,795.04 : x
  2. Step 2: Convert to fraction form
    1,436,602.82/1,982,511.24 = 824,795.04/x
  3. Step 3: Cross multiply
    1,436,602.82x = 1,982,511.24 × 824,795.04
  4. Step 4: Simplify right side
    1,436,602.82x = 1,635,165,437,496.25
  5. Step 5: Solve for x
    x = 1,635,165,437,496.25/1,436,602.82
  6. Step 6: Final answer
    x = 1,138,216.79

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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.