Home / 694,434.65-1,040,574.54-481,617.68

Finding the Fourth Proportional to 694,434.65, 1,040,574.54 and 481,617.68

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Solution

The fourth proportional to 694,434.65, 1,040,574.54 and 481,617.68 is: 721,679.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,434.65 : 1,040,574.54 = 481,617.68 : x
  2. Step 2: Convert to fraction form
    694,434.65/1,040,574.54 = 481,617.68/x
  3. Step 3: Cross multiply
    694,434.65x = 1,040,574.54 × 481,617.68
  4. Step 4: Simplify right side
    694,434.65x = 501,159,095,821.87
  5. Step 5: Solve for x
    x = 501,159,095,821.87/694,434.65
  6. Step 6: Final answer
    x = 721,679.28

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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.