Home / 627,363.19-940,515.79-272,109.66

Finding the Fourth Proportional to 627,363.19, 940,515.79 and 272,109.66

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Solution

The fourth proportional to 627,363.19, 940,515.79 and 272,109.66 is: 407,935.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,363.19 : 940,515.79 = 272,109.66 : x
  2. Step 2: Convert to fraction form
    627,363.19/940,515.79 = 272,109.66/x
  3. Step 3: Cross multiply
    627,363.19x = 940,515.79 × 272,109.66
  4. Step 4: Simplify right side
    627,363.19x = 255,923,431,841.53
  5. Step 5: Solve for x
    x = 255,923,431,841.53/627,363.19
  6. Step 6: Final answer
    x = 407,935.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.