Home / 901,464.75-1,351,987.22-422,023.32

Finding the Fourth Proportional to 901,464.75, 1,351,987.22 and 422,023.32

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Solution

The fourth proportional to 901,464.75, 1,351,987.22 and 422,023.32 is: 632,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,464.75 : 1,351,987.22 = 422,023.32 : x
  2. Step 2: Convert to fraction form
    901,464.75/1,351,987.22 = 422,023.32/x
  3. Step 3: Cross multiply
    901,464.75x = 1,351,987.22 × 422,023.32
  4. Step 4: Simplify right side
    901,464.75x = 570,570,133,071.85
  5. Step 5: Solve for x
    x = 570,570,133,071.85/901,464.75
  6. Step 6: Final answer
    x = 632,936.71

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Double scale
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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.