Home / 439,125.85-605,985.79-248,135.14

Finding the Fourth Proportional to 439,125.85, 605,985.79 and 248,135.14

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Solution

The fourth proportional to 439,125.85, 605,985.79 and 248,135.14 is: 342,422.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,125.85 : 605,985.79 = 248,135.14 : x
  2. Step 2: Convert to fraction form
    439,125.85/605,985.79 = 248,135.14/x
  3. Step 3: Cross multiply
    439,125.85x = 605,985.79 × 248,135.14
  4. Step 4: Simplify right side
    439,125.85x = 150,366,368,839.66
  5. Step 5: Solve for x
    x = 150,366,368,839.66/439,125.85
  6. Step 6: Final answer
    x = 342,422.04

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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.