Home / 448,499.22-619,078.86-267,268.02

Finding the Fourth Proportional to 448,499.22, 619,078.86 and 267,268.02

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Solution

The fourth proportional to 448,499.22, 619,078.86 and 267,268.02 is: 368,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,499.22 : 619,078.86 = 267,268.02 : x
  2. Step 2: Convert to fraction form
    448,499.22/619,078.86 = 267,268.02/x
  3. Step 3: Cross multiply
    448,499.22x = 619,078.86 × 267,268.02
  4. Step 4: Simplify right side
    448,499.22x = 165,459,981,136.06
  5. Step 5: Solve for x
    x = 165,459,981,136.06/448,499.22
  6. Step 6: Final answer
    x = 368,919.22

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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.