Home / 2,057,968.80-3,086,953.20-638,168.40

Finding the Fourth Proportional to 2,057,968.80, 3,086,953.20 and 638,168.40

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Solution

The fourth proportional to 2,057,968.80, 3,086,953.20 and 638,168.40 is: 957,252.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057,968.80 : 3,086,953.20 = 638,168.40 : x
  2. Step 2: Convert to fraction form
    2,057,968.80/3,086,953.20 = 638,168.40/x
  3. Step 3: Cross multiply
    2,057,968.80x = 3,086,953.20 × 638,168.40
  4. Step 4: Simplify right side
    2,057,968.80x = 1,969,995,984,518.88
  5. Step 5: Solve for x
    x = 1,969,995,984,518.88/2,057,968.80
  6. Step 6: Final answer
    x = 957,252.60

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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.