Home / 328,066.25-449,778.77-322,087.53

Finding the Fourth Proportional to 328,066.25, 449,778.77 and 322,087.53

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Solution

The fourth proportional to 328,066.25, 449,778.77 and 322,087.53 is: 441,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,066.25 : 449,778.77 = 322,087.53 : x
  2. Step 2: Convert to fraction form
    328,066.25/449,778.77 = 322,087.53/x
  3. Step 3: Cross multiply
    328,066.25x = 449,778.77 × 322,087.53
  4. Step 4: Simplify right side
    328,066.25x = 144,868,131,465.30
  5. Step 5: Solve for x
    x = 144,868,131,465.30/328,066.25
  6. Step 6: Final answer
    x = 441,581.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.