Home / 454,825.24-627,406.86-319,061.32

Finding the Fourth Proportional to 454,825.24, 627,406.86 and 319,061.32

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Solution

The fourth proportional to 454,825.24, 627,406.86 and 319,061.32 is: 440,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,825.24 : 627,406.86 = 319,061.32 : x
  2. Step 2: Convert to fraction form
    454,825.24/627,406.86 = 319,061.32/x
  3. Step 3: Cross multiply
    454,825.24x = 627,406.86 × 319,061.32
  4. Step 4: Simplify right side
    454,825.24x = 200,181,260,928.66
  5. Step 5: Solve for x
    x = 200,181,260,928.66/454,825.24
  6. Step 6: Final answer
    x = 440,127.86

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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.