Home / 440,181.75-607,450.82-238,977.75

Finding the Fourth Proportional to 440,181.75, 607,450.82 and 238,977.75

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Solution

The fourth proportional to 440,181.75, 607,450.82 and 238,977.75 is: 329,789.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,181.75 : 607,450.82 = 238,977.75 : x
  2. Step 2: Convert to fraction form
    440,181.75/607,450.82 = 238,977.75/x
  3. Step 3: Cross multiply
    440,181.75x = 607,450.82 × 238,977.75
  4. Step 4: Simplify right side
    440,181.75x = 145,167,229,004.37
  5. Step 5: Solve for x
    x = 145,167,229,004.37/440,181.75
  6. Step 6: Final answer
    x = 329,789.30

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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.