Home / 809,289.96-1,116,820.20-446,713.91

Finding the Fourth Proportional to 809,289.96, 1,116,820.20 and 446,713.91

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Solution

The fourth proportional to 809,289.96, 1,116,820.20 and 446,713.91 is: 616,465.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,289.96 : 1,116,820.20 = 446,713.91 : x
  2. Step 2: Convert to fraction form
    809,289.96/1,116,820.20 = 446,713.91/x
  3. Step 3: Cross multiply
    809,289.96x = 1,116,820.20 × 446,713.91
  4. Step 4: Simplify right side
    809,289.96x = 498,899,112,724.88
  5. Step 5: Solve for x
    x = 498,899,112,724.88/809,289.96
  6. Step 6: Final answer
    x = 616,465.22

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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.