Home / 1,022,025.16-1,533,222.42-422,660.80

Finding the Fourth Proportional to 1,022,025.16, 1,533,222.42 and 422,660.80

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Solution

The fourth proportional to 1,022,025.16, 1,533,222.42 and 422,660.80 is: 634,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,025.16 : 1,533,222.42 = 422,660.80 : x
  2. Step 2: Convert to fraction form
    1,022,025.16/1,533,222.42 = 422,660.80/x
  3. Step 3: Cross multiply
    1,022,025.16x = 1,533,222.42 × 422,660.80
  4. Step 4: Simplify right side
    1,022,025.16x = 648,033,014,615.14
  5. Step 5: Solve for x
    x = 648,033,014,615.14/1,022,025.16
  6. Step 6: Final answer
    x = 634,067.57

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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.