Home / 885,365.16-1,327,258.80-324,268.44

Finding the Fourth Proportional to 885,365.16, 1,327,258.80 and 324,268.44

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Solution

The fourth proportional to 885,365.16, 1,327,258.80 and 324,268.44 is: 486,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,365.16 : 1,327,258.80 = 324,268.44 : x
  2. Step 2: Convert to fraction form
    885,365.16/1,327,258.80 = 324,268.44/x
  3. Step 3: Cross multiply
    885,365.16x = 1,327,258.80 × 324,268.44
  4. Step 4: Simplify right side
    885,365.16x = 430,388,140,552.27
  5. Step 5: Solve for x
    x = 430,388,140,552.27/885,365.16
  6. Step 6: Final answer
    x = 486,113.71

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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.