Home / 376,774.97-519,832.20-231,428.33

Finding the Fourth Proportional to 376,774.97, 519,832.20 and 231,428.33

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Solution

The fourth proportional to 376,774.97, 519,832.20 and 231,428.33 is: 319,299.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,774.97 : 519,832.20 = 231,428.33 : x
  2. Step 2: Convert to fraction form
    376,774.97/519,832.20 = 231,428.33/x
  3. Step 3: Cross multiply
    376,774.97x = 519,832.20 × 231,428.33
  4. Step 4: Simplify right side
    376,774.97x = 120,303,897,926.23
  5. Step 5: Solve for x
    x = 120,303,897,926.23/376,774.97
  6. Step 6: Final answer
    x = 319,299.07

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1.5x scale

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.