Home / 957,936.30-1,321,961.31-528,231.66

Finding the Fourth Proportional to 957,936.30, 1,321,961.31 and 528,231.66

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Solution

The fourth proportional to 957,936.30, 1,321,961.31 and 528,231.66 is: 728,964.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,936.30 : 1,321,961.31 = 528,231.66 : x
  2. Step 2: Convert to fraction form
    957,936.30/1,321,961.31 = 528,231.66/x
  3. Step 3: Cross multiply
    957,936.30x = 1,321,961.31 × 528,231.66
  4. Step 4: Simplify right side
    957,936.30x = 698,301,817,237.08
  5. Step 5: Solve for x
    x = 698,301,817,237.08/957,936.30
  6. Step 6: Final answer
    x = 728,964.77

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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.