Home / 696,755.40-1,045,021.22-191,198.31

Finding the Fourth Proportional to 696,755.40, 1,045,021.22 and 191,198.31

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Solution

The fourth proportional to 696,755.40, 1,045,021.22 and 191,198.31 is: 286,766.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,755.40 : 1,045,021.22 = 191,198.31 : x
  2. Step 2: Convert to fraction form
    696,755.40/1,045,021.22 = 191,198.31/x
  3. Step 3: Cross multiply
    696,755.40x = 1,045,021.22 × 191,198.31
  4. Step 4: Simplify right side
    696,755.40x = 199,806,291,178.14
  5. Step 5: Solve for x
    x = 199,806,291,178.14/696,755.40
  6. Step 6: Final answer
    x = 286,766.76

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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.