Home / 343,751.36-474,464.07-234,899.78

Finding the Fourth Proportional to 343,751.36, 474,464.07 and 234,899.78

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Solution

The fourth proportional to 343,751.36, 474,464.07 and 234,899.78 is: 324,221.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,751.36 : 474,464.07 = 234,899.78 : x
  2. Step 2: Convert to fraction form
    343,751.36/474,464.07 = 234,899.78/x
  3. Step 3: Cross multiply
    343,751.36x = 474,464.07 × 234,899.78
  4. Step 4: Simplify right side
    343,751.36x = 111,451,503,288.58
  5. Step 5: Solve for x
    x = 111,451,503,288.58/343,751.36
  6. Step 6: Final answer
    x = 324,221.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.