Home / 1,176.04-1,764.41-435.73

Finding the Fourth Proportional to 1,176.04, 1,764.41 and 435.73

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Solution

The fourth proportional to 1,176.04, 1,764.41 and 435.73 is: 653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.04 : 1,764.41 = 435.73 : x
  2. Step 2: Convert to fraction form
    1,176.04/1,764.41 = 435.73/x
  3. Step 3: Cross multiply
    1,176.04x = 1,764.41 × 435.73
  4. Step 4: Simplify right side
    1,176.04x = 768,804.31
  5. Step 5: Solve for x
    x = 768,804.31/1,176.04
  6. Step 6: Final answer
    x = 653.72

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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.