Home / 627,149.82-865,526.97-351,506.30

Finding the Fourth Proportional to 627,149.82, 865,526.97 and 351,506.30

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Solution

The fourth proportional to 627,149.82, 865,526.97 and 351,506.30 is: 485,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,149.82 : 865,526.97 = 351,506.30 : x
  2. Step 2: Convert to fraction form
    627,149.82/865,526.97 = 351,506.30/x
  3. Step 3: Cross multiply
    627,149.82x = 865,526.97 × 351,506.30
  4. Step 4: Simplify right side
    627,149.82x = 304,238,179,005.34
  5. Step 5: Solve for x
    x = 304,238,179,005.34/627,149.82
  6. Step 6: Final answer
    x = 485,112.44

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1.5x scale

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.