Home / 439,022.80-605,850.16-248,036.12

Finding the Fourth Proportional to 439,022.80, 605,850.16 and 248,036.12

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Solution

The fourth proportional to 439,022.80, 605,850.16 and 248,036.12 is: 342,289.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,022.80 : 605,850.16 = 248,036.12 : x
  2. Step 2: Convert to fraction form
    439,022.80/605,850.16 = 248,036.12/x
  3. Step 3: Cross multiply
    439,022.80x = 605,850.16 × 248,036.12
  4. Step 4: Simplify right side
    439,022.80x = 150,272,722,987.78
  5. Step 5: Solve for x
    x = 150,272,722,987.78/439,022.80
  6. Step 6: Final answer
    x = 342,289.11

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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.