Home / 432,814.22-649,232.42-205,056.51

Finding the Fourth Proportional to 432,814.22, 649,232.42 and 205,056.51

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Solution

The fourth proportional to 432,814.22, 649,232.42 and 205,056.51 is: 307,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,814.22 : 649,232.42 = 205,056.51 : x
  2. Step 2: Convert to fraction form
    432,814.22/649,232.42 = 205,056.51/x
  3. Step 3: Cross multiply
    432,814.22x = 649,232.42 × 205,056.51
  4. Step 4: Simplify right side
    432,814.22x = 133,129,331,575.69
  5. Step 5: Solve for x
    x = 133,129,331,575.69/432,814.22
  6. Step 6: Final answer
    x = 307,590.02

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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.