Home / 454,824.24-627,405.48-319,060.32

Finding the Fourth Proportional to 454,824.24, 627,405.48 and 319,060.32

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Solution

The fourth proportional to 454,824.24, 627,405.48 and 319,060.32 is: 440,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,824.24 : 627,405.48 = 319,060.32 : x
  2. Step 2: Convert to fraction form
    454,824.24/627,405.48 = 319,060.32/x
  3. Step 3: Cross multiply
    454,824.24x = 627,405.48 × 319,060.32
  4. Step 4: Simplify right side
    454,824.24x = 200,180,193,218.55
  5. Step 5: Solve for x
    x = 200,180,193,218.55/454,824.24
  6. Step 6: Final answer
    x = 440,126.48

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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.