Home / 1,161,163.94-1,602,351.72-644,951.30

Finding the Fourth Proportional to 1,161,163.94, 1,602,351.72 and 644,951.30

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Solution

The fourth proportional to 1,161,163.94, 1,602,351.72 and 644,951.30 is: 890,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,161,163.94 : 1,602,351.72 = 644,951.30 : x
  2. Step 2: Convert to fraction form
    1,161,163.94/1,602,351.72 = 644,951.30/x
  3. Step 3: Cross multiply
    1,161,163.94x = 1,602,351.72 × 644,951.30
  4. Step 4: Simplify right side
    1,161,163.94x = 1,033,438,816,859.48
  5. Step 5: Solve for x
    x = 1,033,438,816,859.48/1,161,163.94
  6. Step 6: Final answer
    x = 890,002.51

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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.