Home / 427,805.22-590,371.38-234,225.48

Finding the Fourth Proportional to 427,805.22, 590,371.38 and 234,225.48

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Solution

The fourth proportional to 427,805.22, 590,371.38 and 234,225.48 is: 323,231.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,805.22 : 590,371.38 = 234,225.48 : x
  2. Step 2: Convert to fraction form
    427,805.22/590,371.38 = 234,225.48/x
  3. Step 3: Cross multiply
    427,805.22x = 590,371.38 × 234,225.48
  4. Step 4: Simplify right side
    427,805.22x = 138,280,019,372.78
  5. Step 5: Solve for x
    x = 138,280,019,372.78/427,805.22
  6. Step 6: Final answer
    x = 323,231.26

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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.