Home / 704,755.96-1,057,265.10-320,532.46

Finding the Fourth Proportional to 704,755.96, 1,057,265.10 and 320,532.46

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Solution

The fourth proportional to 704,755.96, 1,057,265.10 and 320,532.46 is: 480,858.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,755.96 : 1,057,265.10 = 320,532.46 : x
  2. Step 2: Convert to fraction form
    704,755.96/1,057,265.10 = 320,532.46/x
  3. Step 3: Cross multiply
    704,755.96x = 1,057,265.10 × 320,532.46
  4. Step 4: Simplify right side
    704,755.96x = 338,887,783,375.15
  5. Step 5: Solve for x
    x = 338,887,783,375.15/704,755.96
  6. Step 6: Final answer
    x = 480,858.34

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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.