Home / 324,004.50-447,139.17-180,777.06

Finding the Fourth Proportional to 324,004.50, 447,139.17 and 180,777.06

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Solution

The fourth proportional to 324,004.50, 447,139.17 and 180,777.06 is: 249,479.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,004.50 : 447,139.17 = 180,777.06 : x
  2. Step 2: Convert to fraction form
    324,004.50/447,139.17 = 180,777.06/x
  3. Step 3: Cross multiply
    324,004.50x = 447,139.17 × 180,777.06
  4. Step 4: Simplify right side
    324,004.50x = 80,832,504,563.44
  5. Step 5: Solve for x
    x = 80,832,504,563.44/324,004.50
  6. Step 6: Final answer
    x = 249,479.57

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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.