Home / 703,394.88-1,053,381.60-329,524.80

Finding the Fourth Proportional to 703,394.88, 1,053,381.60 and 329,524.80

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Solution

The fourth proportional to 703,394.88, 1,053,381.60 and 329,524.80 is: 493,485.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,394.88 : 1,053,381.60 = 329,524.80 : x
  2. Step 2: Convert to fraction form
    703,394.88/1,053,381.60 = 329,524.80/x
  3. Step 3: Cross multiply
    703,394.88x = 1,053,381.60 × 329,524.80
  4. Step 4: Simplify right side
    703,394.88x = 347,115,361,063.68
  5. Step 5: Solve for x
    x = 347,115,361,063.68/703,394.88
  6. Step 6: Final answer
    x = 493,485.77

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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.