Home / 755,982.72-1,043,255.97-416,450.88

Finding the Fourth Proportional to 755,982.72, 1,043,255.97 and 416,450.88

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Solution

The fourth proportional to 755,982.72, 1,043,255.97 and 416,450.88 is: 574,702.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,982.72 : 1,043,255.97 = 416,450.88 : x
  2. Step 2: Convert to fraction form
    755,982.72/1,043,255.97 = 416,450.88/x
  3. Step 3: Cross multiply
    755,982.72x = 1,043,255.97 × 416,450.88
  4. Step 4: Simplify right side
    755,982.72x = 434,464,866,771.75
  5. Step 5: Solve for x
    x = 434,464,866,771.75/755,982.72
  6. Step 6: Final answer
    x = 574,702.11

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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.