Home / 809,408.17-1,116,992.31-446,832.22

Finding the Fourth Proportional to 809,408.17, 1,116,992.31 and 446,832.22

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Solution

The fourth proportional to 809,408.17, 1,116,992.31 and 446,832.22 is: 616,633.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,408.17 : 1,116,992.31 = 446,832.22 : x
  2. Step 2: Convert to fraction form
    809,408.17/1,116,992.31 = 446,832.22/x
  3. Step 3: Cross multiply
    809,408.17x = 1,116,992.31 × 446,832.22
  4. Step 4: Simplify right side
    809,408.17x = 499,108,153,600.23
  5. Step 5: Solve for x
    x = 499,108,153,600.23/809,408.17
  6. Step 6: Final answer
    x = 616,633.45

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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.