Home / 941,391.27-1,299,130.11-511,671.60

Finding the Fourth Proportional to 941,391.27, 1,299,130.11 and 511,671.60

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Solution

The fourth proportional to 941,391.27, 1,299,130.11 and 511,671.60 is: 706,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,391.27 : 1,299,130.11 = 511,671.60 : x
  2. Step 2: Convert to fraction form
    941,391.27/1,299,130.11 = 511,671.60/x
  3. Step 3: Cross multiply
    941,391.27x = 1,299,130.11 × 511,671.60
  4. Step 4: Simplify right side
    941,391.27x = 664,727,981,991.88
  5. Step 5: Solve for x
    x = 664,727,981,991.88/941,391.27
  6. Step 6: Final answer
    x = 706,112.33

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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.