Home / 809,408.54-1,116,985.44-446,832.90

Finding the Fourth Proportional to 809,408.54, 1,116,985.44 and 446,832.90

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Solution

The fourth proportional to 809,408.54, 1,116,985.44 and 446,832.90 is: 616,630.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,408.54 : 1,116,985.44 = 446,832.90 : x
  2. Step 2: Convert to fraction form
    809,408.54/1,116,985.44 = 446,832.90/x
  3. Step 3: Cross multiply
    809,408.54x = 1,116,985.44 × 446,832.90
  4. Step 4: Simplify right side
    809,408.54x = 499,105,843,412.98
  5. Step 5: Solve for x
    x = 499,105,843,412.98/809,408.54
  6. Step 6: Final answer
    x = 616,630.32

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Double scale
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1.5x scale

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.