Home / 603,218.40-904,456.08-203,821.44

Finding the Fourth Proportional to 603,218.40, 904,456.08 and 203,821.44

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Solution

The fourth proportional to 603,218.40, 904,456.08 and 203,821.44 is: 305,606.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,218.40 : 904,456.08 = 203,821.44 : x
  2. Step 2: Convert to fraction form
    603,218.40/904,456.08 = 203,821.44/x
  3. Step 3: Cross multiply
    603,218.40x = 904,456.08 × 203,821.44
  4. Step 4: Simplify right side
    603,218.40x = 184,347,540,642.36
  5. Step 5: Solve for x
    x = 184,347,540,642.36/603,218.40
  6. Step 6: Final answer
    x = 305,606.63

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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.