Home / 827,185.49-1,240,864.50-228,146.75

Finding the Fourth Proportional to 827,185.49, 1,240,864.50 and 228,146.75

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Solution

The fourth proportional to 827,185.49, 1,240,864.50 and 228,146.75 is: 342,243.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,185.49 : 1,240,864.50 = 228,146.75 : x
  2. Step 2: Convert to fraction form
    827,185.49/1,240,864.50 = 228,146.75/x
  3. Step 3: Cross multiply
    827,185.49x = 1,240,864.50 × 228,146.75
  4. Step 4: Simplify right side
    827,185.49x = 283,099,195,520.32
  5. Step 5: Solve for x
    x = 283,099,195,520.32/827,185.49
  6. Step 6: Final answer
    x = 342,243.91

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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.