Home / 734,732.40-1,100,932.20-485,122.80

Finding the Fourth Proportional to 734,732.40, 1,100,932.20 and 485,122.80

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Solution

The fourth proportional to 734,732.40, 1,100,932.20 and 485,122.80 is: 726,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,732.40 : 1,100,932.20 = 485,122.80 : x
  2. Step 2: Convert to fraction form
    734,732.40/1,100,932.20 = 485,122.80/x
  3. Step 3: Cross multiply
    734,732.40x = 1,100,932.20 × 485,122.80
  4. Step 4: Simplify right side
    734,732.40x = 534,087,311,474.16
  5. Step 5: Solve for x
    x = 534,087,311,474.16/734,732.40
  6. Step 6: Final answer
    x = 726,914.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.