Home / 681,042.12-939,844.45-375,119.61

Finding the Fourth Proportional to 681,042.12, 939,844.45 and 375,119.61

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Solution

The fourth proportional to 681,042.12, 939,844.45 and 375,119.61 is: 517,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,042.12 : 939,844.45 = 375,119.61 : x
  2. Step 2: Convert to fraction form
    681,042.12/939,844.45 = 375,119.61/x
  3. Step 3: Cross multiply
    681,042.12x = 939,844.45 × 375,119.61
  4. Step 4: Simplify right side
    681,042.12x = 352,554,078,845.44
  5. Step 5: Solve for x
    x = 352,554,078,845.44/681,042.12
  6. Step 6: Final answer
    x = 517,668.54

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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.