Home / 454,956.41-627,842-251,009.75

Finding the Fourth Proportional to 454,956.41, 627,842 and 251,009.75

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Solution

The fourth proportional to 454,956.41, 627,842 and 251,009.75 is: 346,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,956.41 : 627,842 = 251,009.75 : x
  2. Step 2: Convert to fraction form
    454,956.41/627,842 = 251,009.75/x
  3. Step 3: Cross multiply
    454,956.41x = 627,842 × 251,009.75
  4. Step 4: Simplify right side
    454,956.41x = 157,594,463,459.50
  5. Step 5: Solve for x
    x = 157,594,463,459.50/454,956.41
  6. Step 6: Final answer
    x = 346,394.64

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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.