Home / 769,926-1,154,869.56-208,945.92

Finding the Fourth Proportional to 769,926, 1,154,869.56 and 208,945.92

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Solution

The fourth proportional to 769,926, 1,154,869.56 and 208,945.92 is: 313,413.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,926 : 1,154,869.56 = 208,945.92 : x
  2. Step 2: Convert to fraction form
    769,926/1,154,869.56 = 208,945.92/x
  3. Step 3: Cross multiply
    769,926x = 1,154,869.56 × 208,945.92
  4. Step 4: Simplify right side
    769,926x = 241,305,282,694.20
  5. Step 5: Solve for x
    x = 241,305,282,694.20/769,926
  6. Step 6: Final answer
    x = 313,413.60

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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.