Home / 980,561.57-1,353,175.08-544,978.85

Finding the Fourth Proportional to 980,561.57, 1,353,175.08 and 544,978.85

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Solution

The fourth proportional to 980,561.57, 1,353,175.08 and 544,978.85 is: 752,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,561.57 : 1,353,175.08 = 544,978.85 : x
  2. Step 2: Convert to fraction form
    980,561.57/1,353,175.08 = 544,978.85/x
  3. Step 3: Cross multiply
    980,561.57x = 1,353,175.08 × 544,978.85
  4. Step 4: Simplify right side
    980,561.57x = 737,451,792,181.18
  5. Step 5: Solve for x
    x = 737,451,792,181.18/980,561.57
  6. Step 6: Final answer
    x = 752,070.87

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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.