Home / 808,104.56-1,115,192.20-445,542.60

Finding the Fourth Proportional to 808,104.56, 1,115,192.20 and 445,542.60

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Solution

The fourth proportional to 808,104.56, 1,115,192.20 and 445,542.60 is: 614,853.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,104.56 : 1,115,192.20 = 445,542.60 : x
  2. Step 2: Convert to fraction form
    808,104.56/1,115,192.20 = 445,542.60/x
  3. Step 3: Cross multiply
    808,104.56x = 1,115,192.20 × 445,542.60
  4. Step 4: Simplify right side
    808,104.56x = 496,865,632,287.72
  5. Step 5: Solve for x
    x = 496,865,632,287.72/808,104.56
  6. Step 6: Final answer
    x = 614,853.15

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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.