Home / 1,253,093.45-1,728,972.44-709,229.25

Finding the Fourth Proportional to 1,253,093.45, 1,728,972.44 and 709,229.25

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Solution

The fourth proportional to 1,253,093.45, 1,728,972.44 and 709,229.25 is: 978,568.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,093.45 : 1,728,972.44 = 709,229.25 : x
  2. Step 2: Convert to fraction form
    1,253,093.45/1,728,972.44 = 709,229.25/x
  3. Step 3: Cross multiply
    1,253,093.45x = 1,728,972.44 × 709,229.25
  4. Step 4: Simplify right side
    1,253,093.45x = 1,226,237,829,994.75
  5. Step 5: Solve for x
    x = 1,226,237,829,994.75/1,253,093.45
  6. Step 6: Final answer
    x = 978,568.54

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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.