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Finding the Fourth Proportional to 1,163,705.48, 1,741,824.48 and 622,608.14

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Solution

The fourth proportional to 1,163,705.48, 1,741,824.48 and 622,608.14 is: 931,914.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,705.48 : 1,741,824.48 = 622,608.14 : x
  2. Step 2: Convert to fraction form
    1,163,705.48/1,741,824.48 = 622,608.14/x
  3. Step 3: Cross multiply
    1,163,705.48x = 1,741,824.48 × 622,608.14
  4. Step 4: Simplify right side
    1,163,705.48x = 1,084,474,099,699.27
  5. Step 5: Solve for x
    x = 1,084,474,099,699.27/1,163,705.48
  6. Step 6: Final answer
    x = 931,914.58

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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.