Home / 863,763.94-1,192,376.45-557,989.41

Finding the Fourth Proportional to 863,763.94, 1,192,376.45 and 557,989.41

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Solution

The fourth proportional to 863,763.94, 1,192,376.45 and 557,989.41 is: 770,272.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,763.94 : 1,192,376.45 = 557,989.41 : x
  2. Step 2: Convert to fraction form
    863,763.94/1,192,376.45 = 557,989.41/x
  3. Step 3: Cross multiply
    863,763.94x = 1,192,376.45 × 557,989.41
  4. Step 4: Simplify right side
    863,763.94x = 665,333,433,228.37
  5. Step 5: Solve for x
    x = 665,333,433,228.37/863,763.94
  6. Step 6: Final answer
    x = 770,272.30

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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.