Home / 627,480.78-865,928.97-341,000.85

Finding the Fourth Proportional to 627,480.78, 865,928.97 and 341,000.85

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Solution

The fourth proportional to 627,480.78, 865,928.97 and 341,000.85 is: 470,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,480.78 : 865,928.97 = 341,000.85 : x
  2. Step 2: Convert to fraction form
    627,480.78/865,928.97 = 341,000.85/x
  3. Step 3: Cross multiply
    627,480.78x = 865,928.97 × 341,000.85
  4. Step 4: Simplify right side
    627,480.78x = 295,282,514,809.62
  5. Step 5: Solve for x
    x = 295,282,514,809.62/627,480.78
  6. Step 6: Final answer
    x = 470,584.16

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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.