Home / 1,409,839.68-1,945,580.26-765,259.78

Finding the Fourth Proportional to 1,409,839.68, 1,945,580.26 and 765,259.78

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Solution

The fourth proportional to 1,409,839.68, 1,945,580.26 and 765,259.78 is: 1,056,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,839.68 : 1,945,580.26 = 765,259.78 : x
  2. Step 2: Convert to fraction form
    1,409,839.68/1,945,580.26 = 765,259.78/x
  3. Step 3: Cross multiply
    1,409,839.68x = 1,945,580.26 × 765,259.78
  4. Step 4: Simplify right side
    1,409,839.68x = 1,488,874,321,739.94
  5. Step 5: Solve for x
    x = 1,488,874,321,739.94/1,409,839.68
  6. Step 6: Final answer
    x = 1,056,059.31

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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.