Home / 1,236,454.34-1,706,361.44-685,168.55

Finding the Fourth Proportional to 1,236,454.34, 1,706,361.44 and 685,168.55

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Solution

The fourth proportional to 1,236,454.34, 1,706,361.44 and 685,168.55 is: 945,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,454.34 : 1,706,361.44 = 685,168.55 : x
  2. Step 2: Convert to fraction form
    1,236,454.34/1,706,361.44 = 685,168.55/x
  3. Step 3: Cross multiply
    1,236,454.34x = 1,706,361.44 × 685,168.55
  4. Step 4: Simplify right side
    1,236,454.34x = 1,169,145,188,061.92
  5. Step 5: Solve for x
    x = 1,169,145,188,061.92/1,236,454.34
  6. Step 6: Final answer
    x = 945,562.77

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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.