Home / 447,067.36-616,928.02-256,093.05

Finding the Fourth Proportional to 447,067.36, 616,928.02 and 256,093.05

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Solution

The fourth proportional to 447,067.36, 616,928.02 and 256,093.05 is: 353,394.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,067.36 : 616,928.02 = 256,093.05 : x
  2. Step 2: Convert to fraction form
    447,067.36/616,928.02 = 256,093.05/x
  3. Step 3: Cross multiply
    447,067.36x = 616,928.02 × 256,093.05
  4. Step 4: Simplify right side
    447,067.36x = 157,990,978,272.26
  5. Step 5: Solve for x
    x = 157,990,978,272.26/447,067.36
  6. Step 6: Final answer
    x = 353,394.12

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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.