Home / 627,477.84-865,924.83-340,997.85

Finding the Fourth Proportional to 627,477.84, 865,924.83 and 340,997.85

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Solution

The fourth proportional to 627,477.84, 865,924.83 and 340,997.85 is: 470,579.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,477.84 : 865,924.83 = 340,997.85 : x
  2. Step 2: Convert to fraction form
    627,477.84/865,924.83 = 340,997.85/x
  3. Step 3: Cross multiply
    627,477.84x = 865,924.83 × 340,997.85
  4. Step 4: Simplify right side
    627,477.84x = 295,278,505,291.62
  5. Step 5: Solve for x
    x = 295,278,505,291.62/627,477.84
  6. Step 6: Final answer
    x = 470,579.97

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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.