Home / 367,917.42-507,784.11-215,046.12

Finding the Fourth Proportional to 367,917.42, 507,784.11 and 215,046.12

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Solution

The fourth proportional to 367,917.42, 507,784.11 and 215,046.12 is: 296,797.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,917.42 : 507,784.11 = 215,046.12 : x
  2. Step 2: Convert to fraction form
    367,917.42/507,784.11 = 215,046.12/x
  3. Step 3: Cross multiply
    367,917.42x = 507,784.11 × 215,046.12
  4. Step 4: Simplify right side
    367,917.42x = 109,197,002,653.15
  5. Step 5: Solve for x
    x = 109,197,002,653.15/367,917.42
  6. Step 6: Final answer
    x = 296,797.59

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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.