Home / 951,556.50-1,313,027.28-521,723.52

Finding the Fourth Proportional to 951,556.50, 1,313,027.28 and 521,723.52

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Solution

The fourth proportional to 951,556.50, 1,313,027.28 and 521,723.52 is: 719,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,556.50 : 1,313,027.28 = 521,723.52 : x
  2. Step 2: Convert to fraction form
    951,556.50/1,313,027.28 = 521,723.52/x
  3. Step 3: Cross multiply
    951,556.50x = 1,313,027.28 × 521,723.52
  4. Step 4: Simplify right side
    951,556.50x = 685,037,214,377.63
  5. Step 5: Solve for x
    x = 685,037,214,377.63/951,556.50
  6. Step 6: Final answer
    x = 719,912.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.