Home / 980,481.42-1,353,211.65-598,728.42

Finding the Fourth Proportional to 980,481.42, 1,353,211.65 and 598,728.42

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Solution

The fourth proportional to 980,481.42, 1,353,211.65 and 598,728.42 is: 826,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,481.42 : 1,353,211.65 = 598,728.42 : x
  2. Step 2: Convert to fraction form
    980,481.42/1,353,211.65 = 598,728.42/x
  3. Step 3: Cross multiply
    980,481.42x = 1,353,211.65 × 598,728.42
  4. Step 4: Simplify right side
    980,481.42x = 810,206,273,130.09
  5. Step 5: Solve for x
    x = 810,206,273,130.09/980,481.42
  6. Step 6: Final answer
    x = 826,335.16

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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.