Home / 680,906.40-1,021,359.60-548,046.15

Finding the Fourth Proportional to 680,906.40, 1,021,359.60 and 548,046.15

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Solution

The fourth proportional to 680,906.40, 1,021,359.60 and 548,046.15 is: 822,069.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,906.40 : 1,021,359.60 = 548,046.15 : x
  2. Step 2: Convert to fraction form
    680,906.40/1,021,359.60 = 548,046.15/x
  3. Step 3: Cross multiply
    680,906.40x = 1,021,359.60 × 548,046.15
  4. Step 4: Simplify right side
    680,906.40x = 559,752,196,545.54
  5. Step 5: Solve for x
    x = 559,752,196,545.54/680,906.40
  6. Step 6: Final answer
    x = 822,069.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.