Home / 438,892.23-605,504.35-324,445.66

Finding the Fourth Proportional to 438,892.23, 605,504.35 and 324,445.66

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Solution

The fourth proportional to 438,892.23, 605,504.35 and 324,445.66 is: 447,611.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,892.23 : 605,504.35 = 324,445.66 : x
  2. Step 2: Convert to fraction form
    438,892.23/605,504.35 = 324,445.66/x
  3. Step 3: Cross multiply
    438,892.23x = 605,504.35 × 324,445.66
  4. Step 4: Simplify right side
    438,892.23x = 196,453,258,468.62
  5. Step 5: Solve for x
    x = 196,453,258,468.62/438,892.23
  6. Step 6: Final answer
    x = 447,611.61

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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.