Home / 484,116.21-667,621.82-309,741.59

Finding the Fourth Proportional to 484,116.21, 667,621.82 and 309,741.59

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Solution

The fourth proportional to 484,116.21, 667,621.82 and 309,741.59 is: 427,150.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,116.21 : 667,621.82 = 309,741.59 : x
  2. Step 2: Convert to fraction form
    484,116.21/667,621.82 = 309,741.59/x
  3. Step 3: Cross multiply
    484,116.21x = 667,621.82 × 309,741.59
  4. Step 4: Simplify right side
    484,116.21x = 206,790,239,158.68
  5. Step 5: Solve for x
    x = 206,790,239,158.68/484,116.21
  6. Step 6: Final answer
    x = 427,150.00

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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.