Home / 1,409,486.06-1,945,092.13-764,906.39

Finding the Fourth Proportional to 1,409,486.06, 1,945,092.13 and 764,906.39

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Solution

The fourth proportional to 1,409,486.06, 1,945,092.13 and 764,906.39 is: 1,055,571.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,486.06 : 1,945,092.13 = 764,906.39 : x
  2. Step 2: Convert to fraction form
    1,409,486.06/1,945,092.13 = 764,906.39/x
  3. Step 3: Cross multiply
    1,409,486.06x = 1,945,092.13 × 764,906.39
  4. Step 4: Simplify right side
    1,409,486.06x = 1,487,813,399,334.68
  5. Step 5: Solve for x
    x = 1,487,813,399,334.68/1,409,486.06
  6. Step 6: Final answer
    x = 1,055,571.56

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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.