Home / 454,665.62-627,412.77-282,579.17

Finding the Fourth Proportional to 454,665.62, 627,412.77 and 282,579.17

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Solution

The fourth proportional to 454,665.62, 627,412.77 and 282,579.17 is: 389,943.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,665.62 : 627,412.77 = 282,579.17 : x
  2. Step 2: Convert to fraction form
    454,665.62/627,412.77 = 282,579.17/x
  3. Step 3: Cross multiply
    454,665.62x = 627,412.77 × 282,579.17
  4. Step 4: Simplify right side
    454,665.62x = 177,293,776,656.94
  5. Step 5: Solve for x
    x = 177,293,776,656.94/454,665.62
  6. Step 6: Final answer
    x = 389,943.22

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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.