Home / 980,481.80-1,353,212.17-598,728.80

Finding the Fourth Proportional to 980,481.80, 1,353,212.17 and 598,728.80

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Solution

The fourth proportional to 980,481.80, 1,353,212.17 and 598,728.80 is: 826,335.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,481.80 : 1,353,212.17 = 598,728.80 : x
  2. Step 2: Convert to fraction form
    980,481.80/1,353,212.17 = 598,728.80/x
  3. Step 3: Cross multiply
    980,481.80x = 1,353,212.17 × 598,728.80
  4. Step 4: Simplify right side
    980,481.80x = 810,207,090,426.61
  5. Step 5: Solve for x
    x = 810,207,090,426.61/980,481.80
  6. Step 6: Final answer
    x = 826,335.68

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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.