Home / 755,825.12-1,042,990.74-416,293.34

Finding the Fourth Proportional to 755,825.12, 1,042,990.74 and 416,293.34

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Solution

The fourth proportional to 755,825.12, 1,042,990.74 and 416,293.34 is: 574,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,825.12 : 1,042,990.74 = 416,293.34 : x
  2. Step 2: Convert to fraction form
    755,825.12/1,042,990.74 = 416,293.34/x
  3. Step 3: Cross multiply
    755,825.12x = 1,042,990.74 × 416,293.34
  4. Step 4: Simplify right side
    755,825.12x = 434,190,098,743.67
  5. Step 5: Solve for x
    x = 434,190,098,743.67/755,825.12
  6. Step 6: Final answer
    x = 574,458.41

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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.