Home / 627,517.32-865,986.69-341,055.90

Finding the Fourth Proportional to 627,517.32, 865,986.69 and 341,055.90

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Solution

The fourth proportional to 627,517.32, 865,986.69 and 341,055.90 is: 470,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,517.32 : 865,986.69 = 341,055.90 : x
  2. Step 2: Convert to fraction form
    627,517.32/865,986.69 = 341,055.90/x
  3. Step 3: Cross multiply
    627,517.32x = 865,986.69 × 341,055.90
  4. Step 4: Simplify right side
    627,517.32x = 295,349,869,945.97
  5. Step 5: Solve for x
    x = 295,349,869,945.97/627,517.32
  6. Step 6: Final answer
    x = 470,664.09

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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.