Home / 483,180.72-666,682-292,190.04

Finding the Fourth Proportional to 483,180.72, 666,682 and 292,190.04

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Solution

The fourth proportional to 483,180.72, 666,682 and 292,190.04 is: 403,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,180.72 : 666,682 = 292,190.04 : x
  2. Step 2: Convert to fraction form
    483,180.72/666,682 = 292,190.04/x
  3. Step 3: Cross multiply
    483,180.72x = 666,682 × 292,190.04
  4. Step 4: Simplify right side
    483,180.72x = 194,797,840,247.28
  5. Step 5: Solve for x
    x = 194,797,840,247.28/483,180.72
  6. Step 6: Final answer
    x = 403,157.31

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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.