Home / 403,450.62-604,982.79-235,018.86

Finding the Fourth Proportional to 403,450.62, 604,982.79 and 235,018.86

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Solution

The fourth proportional to 403,450.62, 604,982.79 and 235,018.86 is: 352,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,450.62 : 604,982.79 = 235,018.86 : x
  2. Step 2: Convert to fraction form
    403,450.62/604,982.79 = 235,018.86/x
  3. Step 3: Cross multiply
    403,450.62x = 604,982.79 × 235,018.86
  4. Step 4: Simplify right side
    403,450.62x = 142,182,365,625.42
  5. Step 5: Solve for x
    x = 142,182,365,625.42/403,450.62
  6. Step 6: Final answer
    x = 352,415.78

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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.