Home / 400,623.68-552,861.96-219,337.04

Finding the Fourth Proportional to 400,623.68, 552,861.96 and 219,337.04

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Solution

The fourth proportional to 400,623.68, 552,861.96 and 219,337.04 is: 302,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,623.68 : 552,861.96 = 219,337.04 : x
  2. Step 2: Convert to fraction form
    400,623.68/552,861.96 = 219,337.04/x
  3. Step 3: Cross multiply
    400,623.68x = 552,861.96 × 219,337.04
  4. Step 4: Simplify right side
    400,623.68x = 121,263,105,835.00
  5. Step 5: Solve for x
    x = 121,263,105,835.00/400,623.68
  6. Step 6: Final answer
    x = 302,685.82

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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.