Home / 1,409,752.99-1,945,406.94-765,159.34

Finding the Fourth Proportional to 1,409,752.99, 1,945,406.94 and 765,159.34

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Solution

The fourth proportional to 1,409,752.99, 1,945,406.94 and 765,159.34 is: 1,055,891.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,752.99 : 1,945,406.94 = 765,159.34 : x
  2. Step 2: Convert to fraction form
    1,409,752.99/1,945,406.94 = 765,159.34/x
  3. Step 3: Cross multiply
    1,409,752.99x = 1,945,406.94 × 765,159.34
  4. Step 4: Simplify right side
    1,409,752.99x = 1,488,546,290,241.82
  5. Step 5: Solve for x
    x = 1,488,546,290,241.82/1,409,752.99
  6. Step 6: Final answer
    x = 1,055,891.56

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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.