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Finding the Fourth Proportional to 1,337,757.35, 1,845,579.60 and 764,489.97

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Solution

The fourth proportional to 1,337,757.35, 1,845,579.60 and 764,489.97 is: 1,054,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,337,757.35 : 1,845,579.60 = 764,489.97 : x
  2. Step 2: Convert to fraction form
    1,337,757.35/1,845,579.60 = 764,489.97/x
  3. Step 3: Cross multiply
    1,337,757.35x = 1,845,579.60 × 764,489.97
  4. Step 4: Simplify right side
    1,337,757.35x = 1,410,927,093,036.61
  5. Step 5: Solve for x
    x = 1,410,927,093,036.61/1,337,757.35
  6. Step 6: Final answer
    x = 1,054,695.83

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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.