Home / 806,025.75-1,112,315.49-443,441.84

Finding the Fourth Proportional to 806,025.75, 1,112,315.49 and 443,441.84

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Solution

The fourth proportional to 806,025.75, 1,112,315.49 and 443,441.84 is: 611,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,025.75 : 1,112,315.49 = 443,441.84 : x
  2. Step 2: Convert to fraction form
    806,025.75/1,112,315.49 = 443,441.84/x
  3. Step 3: Cross multiply
    806,025.75x = 1,112,315.49 × 443,441.84
  4. Step 4: Simplify right side
    806,025.75x = 493,247,221,984.52
  5. Step 5: Solve for x
    x = 493,247,221,984.52/806,025.75
  6. Step 6: Final answer
    x = 611,949.71

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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.