Home / 851,617.93-1,175,193.19-488,786.41

Finding the Fourth Proportional to 851,617.93, 1,175,193.19 and 488,786.41

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Solution

The fourth proportional to 851,617.93, 1,175,193.19 and 488,786.41 is: 674,502.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,617.93 : 1,175,193.19 = 488,786.41 : x
  2. Step 2: Convert to fraction form
    851,617.93/1,175,193.19 = 488,786.41/x
  3. Step 3: Cross multiply
    851,617.93x = 1,175,193.19 × 488,786.41
  4. Step 4: Simplify right side
    851,617.93x = 574,418,457,952.62
  5. Step 5: Solve for x
    x = 574,418,457,952.62/851,617.93
  6. Step 6: Final answer
    x = 674,502.55

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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.