Home / 1,512,552.80-2,266,836.60-1,111,311.20

Finding the Fourth Proportional to 1,512,552.80, 2,266,836.60 and 1,111,311.20

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Solution

The fourth proportional to 1,512,552.80, 2,266,836.60 and 1,111,311.20 is: 1,665,502.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,552.80 : 2,266,836.60 = 1,111,311.20 : x
  2. Step 2: Convert to fraction form
    1,512,552.80/2,266,836.60 = 1,111,311.20/x
  3. Step 3: Cross multiply
    1,512,552.80x = 2,266,836.60 × 1,111,311.20
  4. Step 4: Simplify right side
    1,512,552.80x = 2,519,160,902,149.92
  5. Step 5: Solve for x
    x = 2,519,160,902,149.92/1,512,552.80
  6. Step 6: Final answer
    x = 1,665,502.79

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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.