Home / 694,566.38-1,040,501.49-511,865.37

Finding the Fourth Proportional to 694,566.38, 1,040,501.49 and 511,865.37

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Solution

The fourth proportional to 694,566.38, 1,040,501.49 and 511,865.37 is: 766,804.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,566.38 : 1,040,501.49 = 511,865.37 : x
  2. Step 2: Convert to fraction form
    694,566.38/1,040,501.49 = 511,865.37/x
  3. Step 3: Cross multiply
    694,566.38x = 1,040,501.49 × 511,865.37
  4. Step 4: Simplify right side
    694,566.38x = 532,596,680,164.40
  5. Step 5: Solve for x
    x = 532,596,680,164.40/694,566.38
  6. Step 6: Final answer
    x = 766,804.58

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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.