Home / 627,231.05-865,653.06-372,583.25

Finding the Fourth Proportional to 627,231.05, 865,653.06 and 372,583.25

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Solution

The fourth proportional to 627,231.05, 865,653.06 and 372,583.25 is: 514,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,231.05 : 865,653.06 = 372,583.25 : x
  2. Step 2: Convert to fraction form
    627,231.05/865,653.06 = 372,583.25/x
  3. Step 3: Cross multiply
    627,231.05x = 865,653.06 × 372,583.25
  4. Step 4: Simplify right side
    627,231.05x = 322,527,830,467.25
  5. Step 5: Solve for x
    x = 322,527,830,467.25/627,231.05
  6. Step 6: Final answer
    x = 514,208.97

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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.