Home / 419,836.02-579,351.84-238,522.78

Finding the Fourth Proportional to 419,836.02, 579,351.84 and 238,522.78

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Solution

The fourth proportional to 419,836.02, 579,351.84 and 238,522.78 is: 329,149.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,836.02 : 579,351.84 = 238,522.78 : x
  2. Step 2: Convert to fraction form
    419,836.02/579,351.84 = 238,522.78/x
  3. Step 3: Cross multiply
    419,836.02x = 579,351.84 × 238,522.78
  4. Step 4: Simplify right side
    419,836.02x = 138,188,612,646.34
  5. Step 5: Solve for x
    x = 138,188,612,646.34/419,836.02
  6. Step 6: Final answer
    x = 329,149.02

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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.