Home / 2,156,336.80-3,234,505.20-660,234.40

Finding the Fourth Proportional to 2,156,336.80, 3,234,505.20 and 660,234.40

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Solution

The fourth proportional to 2,156,336.80, 3,234,505.20 and 660,234.40 is: 990,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,336.80 : 3,234,505.20 = 660,234.40 : x
  2. Step 2: Convert to fraction form
    2,156,336.80/3,234,505.20 = 660,234.40/x
  3. Step 3: Cross multiply
    2,156,336.80x = 3,234,505.20 × 660,234.40
  4. Step 4: Simplify right side
    2,156,336.80x = 2,135,531,600,018.88
  5. Step 5: Solve for x
    x = 2,135,531,600,018.88/2,156,336.80
  6. Step 6: Final answer
    x = 990,351.60

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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.