Home / 433,540.49-649,015.08-262,243.80

Finding the Fourth Proportional to 433,540.49, 649,015.08 and 262,243.80

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Solution

The fourth proportional to 433,540.49, 649,015.08 and 262,243.80 is: 392,581.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,540.49 : 649,015.08 = 262,243.80 : x
  2. Step 2: Convert to fraction form
    433,540.49/649,015.08 = 262,243.80/x
  3. Step 3: Cross multiply
    433,540.49x = 649,015.08 × 262,243.80
  4. Step 4: Simplify right side
    433,540.49x = 170,200,180,836.50
  5. Step 5: Solve for x
    x = 170,200,180,836.50/433,540.49
  6. Step 6: Final answer
    x = 392,581.97

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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.