Home / 680,934.60-1,021,401.90-441,786.15

Finding the Fourth Proportional to 680,934.60, 1,021,401.90 and 441,786.15

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Solution

The fourth proportional to 680,934.60, 1,021,401.90 and 441,786.15 is: 662,679.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,934.60 : 1,021,401.90 = 441,786.15 : x
  2. Step 2: Convert to fraction form
    680,934.60/1,021,401.90 = 441,786.15/x
  3. Step 3: Cross multiply
    680,934.60x = 1,021,401.90 × 441,786.15
  4. Step 4: Simplify right side
    680,934.60x = 451,241,213,003.69
  5. Step 5: Solve for x
    x = 451,241,213,003.69/680,934.60
  6. Step 6: Final answer
    x = 662,679.23

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Double scale
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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.