Home / 627,126.74-940,830.26-200,688.17

Finding the Fourth Proportional to 627,126.74, 940,830.26 and 200,688.17

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Solution

The fourth proportional to 627,126.74, 940,830.26 and 200,688.17 is: 301,077.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,126.74 : 940,830.26 = 200,688.17 : x
  2. Step 2: Convert to fraction form
    627,126.74/940,830.26 = 200,688.17/x
  3. Step 3: Cross multiply
    627,126.74x = 940,830.26 × 200,688.17
  4. Step 4: Simplify right side
    627,126.74x = 188,813,503,160.02
  5. Step 5: Solve for x
    x = 188,813,503,160.02/627,126.74
  6. Step 6: Final answer
    x = 301,077.11

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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.