Home / 1,409,743.75-1,945,450.11-765,163.94

Finding the Fourth Proportional to 1,409,743.75, 1,945,450.11 and 765,163.94

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Solution

The fourth proportional to 1,409,743.75, 1,945,450.11 and 765,163.94 is: 1,055,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,743.75 : 1,945,450.11 = 765,163.94 : x
  2. Step 2: Convert to fraction form
    1,409,743.75/1,945,450.11 = 765,163.94/x
  3. Step 3: Cross multiply
    1,409,743.75x = 1,945,450.11 × 765,163.94
  4. Step 4: Simplify right side
    1,409,743.75x = 1,488,588,271,678.59
  5. Step 5: Solve for x
    x = 1,488,588,271,678.59/1,409,743.75
  6. Step 6: Final answer
    x = 1,055,928.27

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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.