Home / 820,168.20-1,230,252.30-607,591.80

Finding the Fourth Proportional to 820,168.20, 1,230,252.30 and 607,591.80

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Solution

The fourth proportional to 820,168.20, 1,230,252.30 and 607,591.80 is: 911,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,168.20 : 1,230,252.30 = 607,591.80 : x
  2. Step 2: Convert to fraction form
    820,168.20/1,230,252.30 = 607,591.80/x
  3. Step 3: Cross multiply
    820,168.20x = 1,230,252.30 × 607,591.80
  4. Step 4: Simplify right side
    820,168.20x = 747,491,209,411.14
  5. Step 5: Solve for x
    x = 747,491,209,411.14/820,168.20
  6. Step 6: Final answer
    x = 911,387.70

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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.