Home / 941,388.28-1,299,117.49-511,667.28

Finding the Fourth Proportional to 941,388.28, 1,299,117.49 and 511,667.28

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Solution

The fourth proportional to 941,388.28, 1,299,117.49 and 511,667.28 is: 706,101.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,388.28 : 1,299,117.49 = 511,667.28 : x
  2. Step 2: Convert to fraction form
    941,388.28/1,299,117.49 = 511,667.28/x
  3. Step 3: Cross multiply
    941,388.28x = 1,299,117.49 × 511,667.28
  4. Step 4: Simplify right side
    941,388.28x = 664,715,911,229.56
  5. Step 5: Solve for x
    x = 664,715,911,229.56/941,388.28
  6. Step 6: Final answer
    x = 706,101.75

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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.