Home / 1,176.13-1,764.33-395.92

Finding the Fourth Proportional to 1,176.13, 1,764.33 and 395.92

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Solution

The fourth proportional to 1,176.13, 1,764.33 and 395.92 is: 593.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.13 : 1,764.33 = 395.92 : x
  2. Step 2: Convert to fraction form
    1,176.13/1,764.33 = 395.92/x
  3. Step 3: Cross multiply
    1,176.13x = 1,764.33 × 395.92
  4. Step 4: Simplify right side
    1,176.13x = 698,533.53
  5. Step 5: Solve for x
    x = 698,533.53/1,176.13
  6. Step 6: Final answer
    x = 593.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.