Home / 873,996.62-1,206,295.54-511,610.72

Finding the Fourth Proportional to 873,996.62, 1,206,295.54 and 511,610.72

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Solution

The fourth proportional to 873,996.62, 1,206,295.54 and 511,610.72 is: 706,128.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,996.62 : 1,206,295.54 = 511,610.72 : x
  2. Step 2: Convert to fraction form
    873,996.62/1,206,295.54 = 511,610.72/x
  3. Step 3: Cross multiply
    873,996.62x = 1,206,295.54 × 511,610.72
  4. Step 4: Simplify right side
    873,996.62x = 617,153,722,441.69
  5. Step 5: Solve for x
    x = 617,153,722,441.69/873,996.62
  6. Step 6: Final answer
    x = 706,128.28

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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.