Home / 1,093,072.80-1,639,609.20-1,018,423.20

Finding the Fourth Proportional to 1,093,072.80, 1,639,609.20 and 1,018,423.20

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Solution

The fourth proportional to 1,093,072.80, 1,639,609.20 and 1,018,423.20 is: 1,527,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093,072.80 : 1,639,609.20 = 1,018,423.20 : x
  2. Step 2: Convert to fraction form
    1,093,072.80/1,639,609.20 = 1,018,423.20/x
  3. Step 3: Cross multiply
    1,093,072.80x = 1,639,609.20 × 1,018,423.20
  4. Step 4: Simplify right side
    1,093,072.80x = 1,669,816,048,213.44
  5. Step 5: Solve for x
    x = 1,669,816,048,213.44/1,093,072.80
  6. Step 6: Final answer
    x = 1,527,634.80

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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.