Home / 1,409,777.64-1,945,507.20-765,204

Finding the Fourth Proportional to 1,409,777.64, 1,945,507.20 and 765,204

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Solution

The fourth proportional to 1,409,777.64, 1,945,507.20 and 765,204 is: 1,055,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,777.64 : 1,945,507.20 = 765,204 : x
  2. Step 2: Convert to fraction form
    1,409,777.64/1,945,507.20 = 765,204/x
  3. Step 3: Cross multiply
    1,409,777.64x = 1,945,507.20 × 765,204
  4. Step 4: Simplify right side
    1,409,777.64x = 1,488,709,891,468.80
  5. Step 5: Solve for x
    x = 1,488,709,891,468.80/1,409,777.64
  6. Step 6: Final answer
    x = 1,055,989.15

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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.