Home / 683,743.80-1,025,615.70-329,449.80

Finding the Fourth Proportional to 683,743.80, 1,025,615.70 and 329,449.80

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Solution

The fourth proportional to 683,743.80, 1,025,615.70 and 329,449.80 is: 494,174.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,743.80 : 1,025,615.70 = 329,449.80 : x
  2. Step 2: Convert to fraction form
    683,743.80/1,025,615.70 = 329,449.80/x
  3. Step 3: Cross multiply
    683,743.80x = 1,025,615.70 × 329,449.80
  4. Step 4: Simplify right side
    683,743.80x = 337,888,887,241.86
  5. Step 5: Solve for x
    x = 337,888,887,241.86/683,743.80
  6. Step 6: Final answer
    x = 494,174.70

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Similar ratio
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1.5x scale

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.