Home / 809,163.93-1,116,640.73-446,587.79

Finding the Fourth Proportional to 809,163.93, 1,116,640.73 and 446,587.79

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Solution

The fourth proportional to 809,163.93, 1,116,640.73 and 446,587.79 is: 616,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,163.93 : 1,116,640.73 = 446,587.79 : x
  2. Step 2: Convert to fraction form
    809,163.93/1,116,640.73 = 446,587.79/x
  3. Step 3: Cross multiply
    809,163.93x = 1,116,640.73 × 446,587.79
  4. Step 4: Simplify right side
    809,163.93x = 498,678,111,367.95
  5. Step 5: Solve for x
    x = 498,678,111,367.95/809,163.93
  6. Step 6: Final answer
    x = 616,288.11

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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.