Home / 809,164.35-1,116,641.32-446,588.21

Finding the Fourth Proportional to 809,164.35, 1,116,641.32 and 446,588.21

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Solution

The fourth proportional to 809,164.35, 1,116,641.32 and 446,588.21 is: 616,288.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,164.35 : 1,116,641.32 = 446,588.21 : x
  2. Step 2: Convert to fraction form
    809,164.35/1,116,641.32 = 446,588.21/x
  3. Step 3: Cross multiply
    809,164.35x = 1,116,641.32 × 446,588.21
  4. Step 4: Simplify right side
    809,164.35x = 498,678,846,077.90
  5. Step 5: Solve for x
    x = 498,678,846,077.90/809,164.35
  6. Step 6: Final answer
    x = 616,288.70

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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.