Home / 441,679.20-609,896.14-427,396.72

Finding the Fourth Proportional to 441,679.20, 609,896.14 and 427,396.72

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Solution

The fourth proportional to 441,679.20, 609,896.14 and 427,396.72 is: 590,174.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,679.20 : 609,896.14 = 427,396.72 : x
  2. Step 2: Convert to fraction form
    441,679.20/609,896.14 = 427,396.72/x
  3. Step 3: Cross multiply
    441,679.20x = 609,896.14 × 427,396.72
  4. Step 4: Simplify right side
    441,679.20x = 260,667,609,776.66
  5. Step 5: Solve for x
    x = 260,667,609,776.66/441,679.20
  6. Step 6: Final answer
    x = 590,174.07

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1.5x scale

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.