Home / 806,022.54-1,112,311.06-443,438.61

Finding the Fourth Proportional to 806,022.54, 1,112,311.06 and 443,438.61

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Solution

The fourth proportional to 806,022.54, 1,112,311.06 and 443,438.61 is: 611,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,022.54 : 1,112,311.06 = 443,438.61 : x
  2. Step 2: Convert to fraction form
    806,022.54/1,112,311.06 = 443,438.61/x
  3. Step 3: Cross multiply
    806,022.54x = 1,112,311.06 × 443,438.61
  4. Step 4: Simplify right side
    806,022.54x = 493,241,673,335.04
  5. Step 5: Solve for x
    x = 493,241,673,335.04/806,022.54
  6. Step 6: Final answer
    x = 611,945.26

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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.