Home / 384,054.31-529,994.62-214,288.44

Finding the Fourth Proportional to 384,054.31, 529,994.62 and 214,288.44

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Solution

The fourth proportional to 384,054.31, 529,994.62 and 214,288.44 is: 295,717.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,054.31 : 529,994.62 = 214,288.44 : x
  2. Step 2: Convert to fraction form
    384,054.31/529,994.62 = 214,288.44/x
  3. Step 3: Cross multiply
    384,054.31x = 529,994.62 × 214,288.44
  4. Step 4: Simplify right side
    384,054.31x = 113,571,718,005.89
  5. Step 5: Solve for x
    x = 113,571,718,005.89/384,054.31
  6. Step 6: Final answer
    x = 295,717.86

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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.