Home / 809,380.08-1,116,960.84-446,802.48

Finding the Fourth Proportional to 809,380.08, 1,116,960.84 and 446,802.48

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Solution

The fourth proportional to 809,380.08, 1,116,960.84 and 446,802.48 is: 616,596.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,380.08 : 1,116,960.84 = 446,802.48 : x
  2. Step 2: Convert to fraction form
    809,380.08/1,116,960.84 = 446,802.48/x
  3. Step 3: Cross multiply
    809,380.08x = 1,116,960.84 × 446,802.48
  4. Step 4: Simplify right side
    809,380.08x = 499,060,873,374.88
  5. Step 5: Solve for x
    x = 499,060,873,374.88/809,380.08
  6. Step 6: Final answer
    x = 616,596.44

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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.