Home / 851,619.54-1,175,195.43-488,788.04

Finding the Fourth Proportional to 851,619.54, 1,175,195.43 and 488,788.04

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Solution

The fourth proportional to 851,619.54, 1,175,195.43 and 488,788.04 is: 674,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,619.54 : 1,175,195.43 = 488,788.04 : x
  2. Step 2: Convert to fraction form
    851,619.54/1,175,195.43 = 488,788.04/x
  3. Step 3: Cross multiply
    851,619.54x = 1,175,195.43 × 488,788.04
  4. Step 4: Simplify right side
    851,619.54x = 574,421,470,846.66
  5. Step 5: Solve for x
    x = 574,421,470,846.66/851,619.54
  6. Step 6: Final answer
    x = 674,504.80

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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.