Home / 353,874.06-529,563.96-220,816.98

Finding the Fourth Proportional to 353,874.06, 529,563.96 and 220,816.98

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Solution

The fourth proportional to 353,874.06, 529,563.96 and 220,816.98 is: 330,447.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,874.06 : 529,563.96 = 220,816.98 : x
  2. Step 2: Convert to fraction form
    353,874.06/529,563.96 = 220,816.98/x
  3. Step 3: Cross multiply
    353,874.06x = 529,563.96 × 220,816.98
  4. Step 4: Simplify right side
    353,874.06x = 116,936,714,364.04
  5. Step 5: Solve for x
    x = 116,936,714,364.04/353,874.06
  6. Step 6: Final answer
    x = 330,447.26

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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.