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Finding the Fourth Proportional to 1,073,734.55, 1,607,097.14 and 789,349.82

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Solution

The fourth proportional to 1,073,734.55, 1,607,097.14 and 789,349.82 is: 1,181,448.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,734.55 : 1,607,097.14 = 789,349.82 : x
  2. Step 2: Convert to fraction form
    1,073,734.55/1,607,097.14 = 789,349.82/x
  3. Step 3: Cross multiply
    1,073,734.55x = 1,607,097.14 × 789,349.82
  4. Step 4: Simplify right side
    1,073,734.55x = 1,268,561,834,234.77
  5. Step 5: Solve for x
    x = 1,268,561,834,234.77/1,073,734.55
  6. Step 6: Final answer
    x = 1,181,448.28

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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.