Home / 342,420.03-472,249.69-206,424.17

Finding the Fourth Proportional to 342,420.03, 472,249.69 and 206,424.17

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Solution

The fourth proportional to 342,420.03, 472,249.69 and 206,424.17 is: 284,690.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,420.03 : 472,249.69 = 206,424.17 : x
  2. Step 2: Convert to fraction form
    342,420.03/472,249.69 = 206,424.17/x
  3. Step 3: Cross multiply
    342,420.03x = 472,249.69 × 206,424.17
  4. Step 4: Simplify right side
    342,420.03x = 97,483,751,673.97
  5. Step 5: Solve for x
    x = 97,483,751,673.97/342,420.03
  6. Step 6: Final answer
    x = 284,690.56

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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.