Home / 677,664.36-1,015,835.58-322,583.04

Finding the Fourth Proportional to 677,664.36, 1,015,835.58 and 322,583.04

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Solution

The fourth proportional to 677,664.36, 1,015,835.58 and 322,583.04 is: 483,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,664.36 : 1,015,835.58 = 322,583.04 : x
  2. Step 2: Convert to fraction form
    677,664.36/1,015,835.58 = 322,583.04/x
  3. Step 3: Cross multiply
    677,664.36x = 1,015,835.58 × 322,583.04
  4. Step 4: Simplify right side
    677,664.36x = 327,691,329,536.56
  5. Step 5: Solve for x
    x = 327,691,329,536.56/677,664.36
  6. Step 6: Final answer
    x = 483,559.93

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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.