Home / 950,120.28-1,310,669.10-587,428.20

Finding the Fourth Proportional to 950,120.28, 1,310,669.10 and 587,428.20

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Solution

The fourth proportional to 950,120.28, 1,310,669.10 and 587,428.20 is: 810,343.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,120.28 : 1,310,669.10 = 587,428.20 : x
  2. Step 2: Convert to fraction form
    950,120.28/1,310,669.10 = 587,428.20/x
  3. Step 3: Cross multiply
    950,120.28x = 1,310,669.10 × 587,428.20
  4. Step 4: Simplify right side
    950,120.28x = 769,923,990,208.62
  5. Step 5: Solve for x
    x = 769,923,990,208.62/950,120.28
  6. Step 6: Final answer
    x = 810,343.71

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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.