Home / 1,180,369.56-1,628,540.73-697,105.74

Finding the Fourth Proportional to 1,180,369.56, 1,628,540.73 and 697,105.74

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Solution

The fourth proportional to 1,180,369.56, 1,628,540.73 and 697,105.74 is: 961,787.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,369.56 : 1,628,540.73 = 697,105.74 : x
  2. Step 2: Convert to fraction form
    1,180,369.56/1,628,540.73 = 697,105.74/x
  3. Step 3: Cross multiply
    1,180,369.56x = 1,628,540.73 × 697,105.74
  4. Step 4: Simplify right side
    1,180,369.56x = 1,135,265,090,706.79
  5. Step 5: Solve for x
    x = 1,135,265,090,706.79/1,180,369.56
  6. Step 6: Final answer
    x = 961,787.84

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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.