Home / 2,632,677.20-3,949,015.80-638,133.20

Finding the Fourth Proportional to 2,632,677.20, 3,949,015.80 and 638,133.20

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Solution

The fourth proportional to 2,632,677.20, 3,949,015.80 and 638,133.20 is: 957,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,677.20 : 3,949,015.80 = 638,133.20 : x
  2. Step 2: Convert to fraction form
    2,632,677.20/3,949,015.80 = 638,133.20/x
  3. Step 3: Cross multiply
    2,632,677.20x = 3,949,015.80 × 638,133.20
  4. Step 4: Simplify right side
    2,632,677.20x = 2,519,998,069,559.48
  5. Step 5: Solve for x
    x = 2,519,998,069,559.48/2,632,677.20
  6. Step 6: Final answer
    x = 957,199.79

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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.