Home / 809,163.85-1,116,640.63-446,587.71

Finding the Fourth Proportional to 809,163.85, 1,116,640.63 and 446,587.71

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Solution

The fourth proportional to 809,163.85, 1,116,640.63 and 446,587.71 is: 616,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,163.85 : 1,116,640.63 = 446,587.71 : x
  2. Step 2: Convert to fraction form
    809,163.85/1,116,640.63 = 446,587.71/x
  3. Step 3: Cross multiply
    809,163.85x = 1,116,640.63 × 446,587.71
  4. Step 4: Simplify right side
    809,163.85x = 498,677,976,820.12
  5. Step 5: Solve for x
    x = 498,677,976,820.12/809,163.85
  6. Step 6: Final answer
    x = 616,288.01

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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.