Home / 627,447.26-865,876.56-340,966.73

Finding the Fourth Proportional to 627,447.26, 865,876.56 and 340,966.73

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Solution

The fourth proportional to 627,447.26, 865,876.56 and 340,966.73 is: 470,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,447.26 : 865,876.56 = 340,966.73 : x
  2. Step 2: Convert to fraction form
    627,447.26/865,876.56 = 340,966.73/x
  3. Step 3: Cross multiply
    627,447.26x = 865,876.56 × 340,966.73
  4. Step 4: Simplify right side
    627,447.26x = 295,235,099,246.85
  5. Step 5: Solve for x
    x = 295,235,099,246.85/627,447.26
  6. Step 6: Final answer
    x = 470,533.73

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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.