Home / 1,670,717.88-2,305,695.78-945,289.44

Finding the Fourth Proportional to 1,670,717.88, 2,305,695.78 and 945,289.44

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Solution

The fourth proportional to 1,670,717.88, 2,305,695.78 and 945,289.44 is: 1,304,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,717.88 : 2,305,695.78 = 945,289.44 : x
  2. Step 2: Convert to fraction form
    1,670,717.88/2,305,695.78 = 945,289.44/x
  3. Step 3: Cross multiply
    1,670,717.88x = 2,305,695.78 × 945,289.44
  4. Step 4: Simplify right side
    1,670,717.88x = 2,179,549,872,686.56
  5. Step 5: Solve for x
    x = 2,179,549,872,686.56/1,670,717.88
  6. Step 6: Final answer
    x = 1,304,558.90

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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.