Home / 827,442.27-1,241,138.61-228,439.98

Finding the Fourth Proportional to 827,442.27, 1,241,138.61 and 228,439.98

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Solution

The fourth proportional to 827,442.27, 1,241,138.61 and 228,439.98 is: 342,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,442.27 : 1,241,138.61 = 228,439.98 : x
  2. Step 2: Convert to fraction form
    827,442.27/1,241,138.61 = 228,439.98/x
  3. Step 3: Cross multiply
    827,442.27x = 1,241,138.61 × 228,439.98
  4. Step 4: Simplify right side
    827,442.27x = 283,525,679,245.63
  5. Step 5: Solve for x
    x = 283,525,679,245.63/827,442.27
  6. Step 6: Final answer
    x = 342,653.12

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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.