Home / 454,600.46-627,118.17-346,983.66

Finding the Fourth Proportional to 454,600.46, 627,118.17 and 346,983.66

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Solution

The fourth proportional to 454,600.46, 627,118.17 and 346,983.66 is: 478,661.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,600.46 : 627,118.17 = 346,983.66 : x
  2. Step 2: Convert to fraction form
    454,600.46/627,118.17 = 346,983.66/x
  3. Step 3: Cross multiply
    454,600.46x = 627,118.17 × 346,983.66
  4. Step 4: Simplify right side
    454,600.46x = 217,599,757,879.10
  5. Step 5: Solve for x
    x = 217,599,757,879.10/454,600.46
  6. Step 6: Final answer
    x = 478,661.55

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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.