Home / 980,169.80-1,469,477.10-536,937.80

Finding the Fourth Proportional to 980,169.80, 1,469,477.10 and 536,937.80

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Solution

The fourth proportional to 980,169.80, 1,469,477.10 and 536,937.80 is: 804,980.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,169.80 : 1,469,477.10 = 536,937.80 : x
  2. Step 2: Convert to fraction form
    980,169.80/1,469,477.10 = 536,937.80/x
  3. Step 3: Cross multiply
    980,169.80x = 1,469,477.10 × 536,937.80
  4. Step 4: Simplify right side
    980,169.80x = 789,017,801,224.38
  5. Step 5: Solve for x
    x = 789,017,801,224.38/980,169.80
  6. Step 6: Final answer
    x = 804,980.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.