Home / 755,819.12-1,042,982.46-416,287.34

Finding the Fourth Proportional to 755,819.12, 1,042,982.46 and 416,287.34

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Solution

The fourth proportional to 755,819.12, 1,042,982.46 and 416,287.34 is: 574,450.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,819.12 : 1,042,982.46 = 416,287.34 : x
  2. Step 2: Convert to fraction form
    755,819.12/1,042,982.46 = 416,287.34/x
  3. Step 3: Cross multiply
    755,819.12x = 1,042,982.46 × 416,287.34
  4. Step 4: Simplify right side
    755,819.12x = 434,180,393,940.06
  5. Step 5: Solve for x
    x = 434,180,393,940.06/755,819.12
  6. Step 6: Final answer
    x = 574,450.13

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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.