Home / 874,174.75-1,206,447.51-511,576.98

Finding the Fourth Proportional to 874,174.75, 1,206,447.51 and 511,576.98

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Solution

The fourth proportional to 874,174.75, 1,206,447.51 and 511,576.98 is: 706,026.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,174.75 : 1,206,447.51 = 511,576.98 : x
  2. Step 2: Convert to fraction form
    874,174.75/1,206,447.51 = 511,576.98/x
  3. Step 3: Cross multiply
    874,174.75x = 1,206,447.51 × 511,576.98
  4. Step 4: Simplify right side
    874,174.75x = 617,190,773,694.32
  5. Step 5: Solve for x
    x = 617,190,773,694.32/874,174.75
  6. Step 6: Final answer
    x = 706,026.77

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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.