Home / 874,083.30-1,206,234.60-511,576.20

Finding the Fourth Proportional to 874,083.30, 1,206,234.60 and 511,576.20

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Solution

The fourth proportional to 874,083.30, 1,206,234.60 and 511,576.20 is: 705,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,083.30 : 1,206,234.60 = 511,576.20 : x
  2. Step 2: Convert to fraction form
    874,083.30/1,206,234.60 = 511,576.20/x
  3. Step 3: Cross multiply
    874,083.30x = 1,206,234.60 × 511,576.20
  4. Step 4: Simplify right side
    874,083.30x = 617,080,912,976.52
  5. Step 5: Solve for x
    x = 617,080,912,976.52/874,083.30
  6. Step 6: Final answer
    x = 705,974.95

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1.5x scale

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.