Home / 419,986.68-579,591.18-238,670.04

Finding the Fourth Proportional to 419,986.68, 579,591.18 and 238,670.04

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Solution

The fourth proportional to 419,986.68, 579,591.18 and 238,670.04 is: 329,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,986.68 : 579,591.18 = 238,670.04 : x
  2. Step 2: Convert to fraction form
    419,986.68/579,591.18 = 238,670.04/x
  3. Step 3: Cross multiply
    419,986.68x = 579,591.18 × 238,670.04
  4. Step 4: Simplify right side
    419,986.68x = 138,331,050,114.25
  5. Step 5: Solve for x
    x = 138,331,050,114.25/419,986.68
  6. Step 6: Final answer
    x = 329,370.09

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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.