Home / 1,142,003.78-1,576,016.82-632,706.20

Finding the Fourth Proportional to 1,142,003.78, 1,576,016.82 and 632,706.20

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Solution

The fourth proportional to 1,142,003.78, 1,576,016.82 and 632,706.20 is: 873,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,003.78 : 1,576,016.82 = 632,706.20 : x
  2. Step 2: Convert to fraction form
    1,142,003.78/1,576,016.82 = 632,706.20/x
  3. Step 3: Cross multiply
    1,142,003.78x = 1,576,016.82 × 632,706.20
  4. Step 4: Simplify right side
    1,142,003.78x = 997,155,613,318.28
  5. Step 5: Solve for x
    x = 997,155,613,318.28/1,142,003.78
  6. Step 6: Final answer
    x = 873,163.15

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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.