Home / 919,929-1,379,796.42-246,078.32

Finding the Fourth Proportional to 919,929, 1,379,796.42 and 246,078.32

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Solution

The fourth proportional to 919,929, 1,379,796.42 and 246,078.32 is: 369,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,929 : 1,379,796.42 = 246,078.32 : x
  2. Step 2: Convert to fraction form
    919,929/1,379,796.42 = 246,078.32/x
  3. Step 3: Cross multiply
    919,929x = 1,379,796.42 × 246,078.32
  4. Step 4: Simplify right side
    919,929x = 339,537,984,975.61
  5. Step 5: Solve for x
    x = 339,537,984,975.61/919,929
  6. Step 6: Final answer
    x = 369,091.51

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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.