Home / 1,271,099.88-1,906,649.21-324,470.30

Finding the Fourth Proportional to 1,271,099.88, 1,906,649.21 and 324,470.30

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Solution

The fourth proportional to 1,271,099.88, 1,906,649.21 and 324,470.30 is: 486,705.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,099.88 : 1,906,649.21 = 324,470.30 : x
  2. Step 2: Convert to fraction form
    1,271,099.88/1,906,649.21 = 324,470.30/x
  3. Step 3: Cross multiply
    1,271,099.88x = 1,906,649.21 × 324,470.30
  4. Step 4: Simplify right side
    1,271,099.88x = 618,651,032,441.39
  5. Step 5: Solve for x
    x = 618,651,032,441.39/1,271,099.88
  6. Step 6: Final answer
    x = 486,705.29

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.