Home / 769,600.20-1,154,400.30-208,634.70

Finding the Fourth Proportional to 769,600.20, 1,154,400.30 and 208,634.70

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Solution

The fourth proportional to 769,600.20, 1,154,400.30 and 208,634.70 is: 312,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,600.20 : 1,154,400.30 = 208,634.70 : x
  2. Step 2: Convert to fraction form
    769,600.20/1,154,400.30 = 208,634.70/x
  3. Step 3: Cross multiply
    769,600.20x = 1,154,400.30 × 208,634.70
  4. Step 4: Simplify right side
    769,600.20x = 240,847,960,270.41
  5. Step 5: Solve for x
    x = 240,847,960,270.41/769,600.20
  6. Step 6: Final answer
    x = 312,952.05

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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.