Home / 1,151,998.14-1,589,758.43-642,700.62

Finding the Fourth Proportional to 1,151,998.14, 1,589,758.43 and 642,700.62

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Solution

The fourth proportional to 1,151,998.14, 1,589,758.43 and 642,700.62 is: 886,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,998.14 : 1,589,758.43 = 642,700.62 : x
  2. Step 2: Convert to fraction form
    1,151,998.14/1,589,758.43 = 642,700.62/x
  3. Step 3: Cross multiply
    1,151,998.14x = 1,589,758.43 × 642,700.62
  4. Step 4: Simplify right side
    1,151,998.14x = 1,021,738,728,611.23
  5. Step 5: Solve for x
    x = 1,021,738,728,611.23/1,151,998.14
  6. Step 6: Final answer
    x = 886,927.41

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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.