Home / 851,618.54-1,175,194.05-488,787.04

Finding the Fourth Proportional to 851,618.54, 1,175,194.05 and 488,787.04

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Solution

The fourth proportional to 851,618.54, 1,175,194.05 and 488,787.04 is: 674,503.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,618.54 : 1,175,194.05 = 488,787.04 : x
  2. Step 2: Convert to fraction form
    851,618.54/1,175,194.05 = 488,787.04/x
  3. Step 3: Cross multiply
    851,618.54x = 1,175,194.05 × 488,787.04
  4. Step 4: Simplify right side
    851,618.54x = 574,419,615,249.14
  5. Step 5: Solve for x
    x = 574,419,615,249.14/851,618.54
  6. Step 6: Final answer
    x = 674,503.42

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1.5x scale

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.