Home / 827,185.11-1,240,863.93-228,146.37

Finding the Fourth Proportional to 827,185.11, 1,240,863.93 and 228,146.37

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Solution

The fourth proportional to 827,185.11, 1,240,863.93 and 228,146.37 is: 342,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,185.11 : 1,240,863.93 = 228,146.37 : x
  2. Step 2: Convert to fraction form
    827,185.11/1,240,863.93 = 228,146.37/x
  3. Step 3: Cross multiply
    827,185.11x = 1,240,863.93 × 228,146.37
  4. Step 4: Simplify right side
    827,185.11x = 283,098,601,293.43
  5. Step 5: Solve for x
    x = 283,098,601,293.43/827,185.11
  6. Step 6: Final answer
    x = 342,243.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.