Home / 433,861.70-651,212.36-209,380.16

Finding the Fourth Proportional to 433,861.70, 651,212.36 and 209,380.16

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Solution

The fourth proportional to 433,861.70, 651,212.36 and 209,380.16 is: 314,272.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,861.70 : 651,212.36 = 209,380.16 : x
  2. Step 2: Convert to fraction form
    433,861.70/651,212.36 = 209,380.16/x
  3. Step 3: Cross multiply
    433,861.70x = 651,212.36 × 209,380.16
  4. Step 4: Simplify right side
    433,861.70x = 136,350,948,711.91
  5. Step 5: Solve for x
    x = 136,350,948,711.91/433,861.70
  6. Step 6: Final answer
    x = 314,272.84

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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.