Home / 627,519.21-865,983.24-341,039.34

Finding the Fourth Proportional to 627,519.21, 865,983.24 and 341,039.34

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Solution

The fourth proportional to 627,519.21, 865,983.24 and 341,039.34 is: 470,637.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,519.21 : 865,983.24 = 341,039.34 : x
  2. Step 2: Convert to fraction form
    627,519.21/865,983.24 = 341,039.34/x
  3. Step 3: Cross multiply
    627,519.21x = 865,983.24 × 341,039.34
  4. Step 4: Simplify right side
    627,519.21x = 295,334,352,620.66
  5. Step 5: Solve for x
    x = 295,334,352,620.66/627,519.21
  6. Step 6: Final answer
    x = 470,637.95

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Double scale
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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.