Home / 1,096,999.22-1,645,203.99-386,933.78

Finding the Fourth Proportional to 1,096,999.22, 1,645,203.99 and 386,933.78

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Solution

The fourth proportional to 1,096,999.22, 1,645,203.99 and 386,933.78 is: 580,296.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,999.22 : 1,645,203.99 = 386,933.78 : x
  2. Step 2: Convert to fraction form
    1,096,999.22/1,645,203.99 = 386,933.78/x
  3. Step 3: Cross multiply
    1,096,999.22x = 1,645,203.99 × 386,933.78
  4. Step 4: Simplify right side
    1,096,999.22x = 636,584,998,721.78
  5. Step 5: Solve for x
    x = 636,584,998,721.78/1,096,999.22
  6. Step 6: Final answer
    x = 580,296.67

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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.