Home / 1,121,163.43-1,682,270.03-489,995.23

Finding the Fourth Proportional to 1,121,163.43, 1,682,270.03 and 489,995.23

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Solution

The fourth proportional to 1,121,163.43, 1,682,270.03 and 489,995.23 is: 735,222.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,163.43 : 1,682,270.03 = 489,995.23 : x
  2. Step 2: Convert to fraction form
    1,121,163.43/1,682,270.03 = 489,995.23/x
  3. Step 3: Cross multiply
    1,121,163.43x = 1,682,270.03 × 489,995.23
  4. Step 4: Simplify right side
    1,121,163.43x = 824,304,279,410.63
  5. Step 5: Solve for x
    x = 824,304,279,410.63/1,121,163.43
  6. Step 6: Final answer
    x = 735,222.24

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Double scale
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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.