Home / 809,413.24-1,116,983.40-446,829.31

Finding the Fourth Proportional to 809,413.24, 1,116,983.40 and 446,829.31

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Solution

The fourth proportional to 809,413.24, 1,116,983.40 and 446,829.31 is: 616,620.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,413.24 : 1,116,983.40 = 446,829.31 : x
  2. Step 2: Convert to fraction form
    809,413.24/1,116,983.40 = 446,829.31/x
  3. Step 3: Cross multiply
    809,413.24x = 1,116,983.40 × 446,829.31
  4. Step 4: Simplify right side
    809,413.24x = 499,100,916,318.54
  5. Step 5: Solve for x
    x = 499,100,916,318.54/809,413.24
  6. Step 6: Final answer
    x = 616,620.65

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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.