Home / 790,969.46-1,186,452.27-191,930.09

Finding the Fourth Proportional to 790,969.46, 1,186,452.27 and 191,930.09

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Solution

The fourth proportional to 790,969.46, 1,186,452.27 and 191,930.09 is: 287,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,969.46 : 1,186,452.27 = 191,930.09 : x
  2. Step 2: Convert to fraction form
    790,969.46/1,186,452.27 = 191,930.09/x
  3. Step 3: Cross multiply
    790,969.46x = 1,186,452.27 × 191,930.09
  4. Step 4: Simplify right side
    790,969.46x = 227,715,885,029.54
  5. Step 5: Solve for x
    x = 227,715,885,029.54/790,969.46
  6. Step 6: Final answer
    x = 287,894.66

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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.