Home / 454,974.60-627,863.18-251,038.20

Finding the Fourth Proportional to 454,974.60, 627,863.18 and 251,038.20

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Solution

The fourth proportional to 454,974.60, 627,863.18 and 251,038.20 is: 346,431.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,974.60 : 627,863.18 = 251,038.20 : x
  2. Step 2: Convert to fraction form
    454,974.60/627,863.18 = 251,038.20/x
  3. Step 3: Cross multiply
    454,974.60x = 627,863.18 × 251,038.20
  4. Step 4: Simplify right side
    454,974.60x = 157,617,642,553.48
  5. Step 5: Solve for x
    x = 157,617,642,553.48/454,974.60
  6. Step 6: Final answer
    x = 346,431.74

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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.