Home / 648,682.66-973,116.85-199,441.25

Finding the Fourth Proportional to 648,682.66, 973,116.85 and 199,441.25

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Solution

The fourth proportional to 648,682.66, 973,116.85 and 199,441.25 is: 299,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,682.66 : 973,116.85 = 199,441.25 : x
  2. Step 2: Convert to fraction form
    648,682.66/973,116.85 = 199,441.25/x
  3. Step 3: Cross multiply
    648,682.66x = 973,116.85 × 199,441.25
  4. Step 4: Simplify right side
    648,682.66x = 194,079,640,960.06
  5. Step 5: Solve for x
    x = 194,079,640,960.06/648,682.66
  6. Step 6: Final answer
    x = 299,190.43

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Similar ratio
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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.