Home / 886,042.94-1,222,891.85-513,453.62

Finding the Fourth Proportional to 886,042.94, 1,222,891.85 and 513,453.62

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Solution

The fourth proportional to 886,042.94, 1,222,891.85 and 513,453.62 is: 708,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,042.94 : 1,222,891.85 = 513,453.62 : x
  2. Step 2: Convert to fraction form
    886,042.94/1,222,891.85 = 513,453.62/x
  3. Step 3: Cross multiply
    886,042.94x = 1,222,891.85 × 513,453.62
  4. Step 4: Simplify right side
    886,042.94x = 627,898,242,420.17
  5. Step 5: Solve for x
    x = 627,898,242,420.17/886,042.94
  6. Step 6: Final answer
    x = 708,654.42

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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.