Home / 695,368.49-1,043,408.71-331,042.42

Finding the Fourth Proportional to 695,368.49, 1,043,408.71 and 331,042.42

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Solution

The fourth proportional to 695,368.49, 1,043,408.71 and 331,042.42 is: 496,733.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,368.49 : 1,043,408.71 = 331,042.42 : x
  2. Step 2: Convert to fraction form
    695,368.49/1,043,408.71 = 331,042.42/x
  3. Step 3: Cross multiply
    695,368.49x = 1,043,408.71 × 331,042.42
  4. Step 4: Simplify right side
    695,368.49x = 345,412,542,212.76
  5. Step 5: Solve for x
    x = 345,412,542,212.76/695,368.49
  6. Step 6: Final answer
    x = 496,733.09

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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.