Home / 2,632,779.25-3,949,168.88-638,235.25

Finding the Fourth Proportional to 2,632,779.25, 3,949,168.88 and 638,235.25

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Solution

The fourth proportional to 2,632,779.25, 3,949,168.88 and 638,235.25 is: 957,352.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,632,779.25 : 3,949,168.88 = 638,235.25 : x
  2. Step 2: Convert to fraction form
    2,632,779.25/3,949,168.88 = 638,235.25/x
  3. Step 3: Cross multiply
    2,632,779.25x = 3,949,168.88 × 638,235.25
  4. Step 4: Simplify right side
    2,632,779.25x = 2,520,498,787,419.02
  5. Step 5: Solve for x
    x = 2,520,498,787,419.02/2,632,779.25
  6. Step 6: Final answer
    x = 957,352.88

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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.