Home / 347,685.56-521,528.36-223,813.88

Finding the Fourth Proportional to 347,685.56, 521,528.36 and 223,813.88

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Solution

The fourth proportional to 347,685.56, 521,528.36 and 223,813.88 is: 335,720.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,685.56 : 521,528.36 = 223,813.88 : x
  2. Step 2: Convert to fraction form
    347,685.56/521,528.36 = 223,813.88/x
  3. Step 3: Cross multiply
    347,685.56x = 521,528.36 × 223,813.88
  4. Step 4: Simplify right side
    347,685.56x = 116,725,285,781.64
  5. Step 5: Solve for x
    x = 116,725,285,781.64/347,685.56
  6. Step 6: Final answer
    x = 335,720.83

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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.