Home / 851,618.43-1,175,193.87-488,786.91

Finding the Fourth Proportional to 851,618.43, 1,175,193.87 and 488,786.91

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Solution

The fourth proportional to 851,618.43, 1,175,193.87 and 488,786.91 is: 674,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,618.43 : 1,175,193.87 = 488,786.91 : x
  2. Step 2: Convert to fraction form
    851,618.43/1,175,193.87 = 488,786.91/x
  3. Step 3: Cross multiply
    851,618.43x = 1,175,193.87 × 488,786.91
  4. Step 4: Simplify right side
    851,618.43x = 574,419,380,368.24
  5. Step 5: Solve for x
    x = 574,419,380,368.24/851,618.43
  6. Step 6: Final answer
    x = 674,503.23

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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.