Home / 809,288.96-1,116,818.82-446,712.91

Finding the Fourth Proportional to 809,288.96, 1,116,818.82 and 446,712.91

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Solution

The fourth proportional to 809,288.96, 1,116,818.82 and 446,712.91 is: 616,463.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,288.96 : 1,116,818.82 = 446,712.91 : x
  2. Step 2: Convert to fraction form
    809,288.96/1,116,818.82 = 446,712.91/x
  3. Step 3: Cross multiply
    809,288.96x = 1,116,818.82 × 446,712.91
  4. Step 4: Simplify right side
    809,288.96x = 498,897,385,024.97
  5. Step 5: Solve for x
    x = 498,897,385,024.97/809,288.96
  6. Step 6: Final answer
    x = 616,463.85

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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.