Home / 1,410,119.39-1,945,987.37-765,539.07

Finding the Fourth Proportional to 1,410,119.39, 1,945,987.37 and 765,539.07

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Solution

The fourth proportional to 1,410,119.39, 1,945,987.37 and 765,539.07 is: 1,056,456.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,119.39 : 1,945,987.37 = 765,539.07 : x
  2. Step 2: Convert to fraction form
    1,410,119.39/1,945,987.37 = 765,539.07/x
  3. Step 3: Cross multiply
    1,410,119.39x = 1,945,987.37 × 765,539.07
  4. Step 4: Simplify right side
    1,410,119.39x = 1,489,729,357,633.85
  5. Step 5: Solve for x
    x = 1,489,729,357,633.85/1,410,119.39
  6. Step 6: Final answer
    x = 1,056,456.19

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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.