Home / 1,512,005.20-2,268,007.80-447,057.70

Finding the Fourth Proportional to 1,512,005.20, 2,268,007.80 and 447,057.70

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Solution

The fourth proportional to 1,512,005.20, 2,268,007.80 and 447,057.70 is: 670,586.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,005.20 : 2,268,007.80 = 447,057.70 : x
  2. Step 2: Convert to fraction form
    1,512,005.20/2,268,007.80 = 447,057.70/x
  3. Step 3: Cross multiply
    1,512,005.20x = 2,268,007.80 × 447,057.70
  4. Step 4: Simplify right side
    1,512,005.20x = 1,013,930,350,650.06
  5. Step 5: Solve for x
    x = 1,013,930,350,650.06/1,512,005.20
  6. Step 6: Final answer
    x = 670,586.55

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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.