Home / 741,136.85-1,111,770.91-208,662.49

Finding the Fourth Proportional to 741,136.85, 1,111,770.91 and 208,662.49

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Solution

The fourth proportional to 741,136.85, 1,111,770.91 and 208,662.49 is: 313,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,136.85 : 1,111,770.91 = 208,662.49 : x
  2. Step 2: Convert to fraction form
    741,136.85/1,111,770.91 = 208,662.49/x
  3. Step 3: Cross multiply
    741,136.85x = 1,111,770.91 × 208,662.49
  4. Step 4: Simplify right side
    741,136.85x = 231,984,880,831.31
  5. Step 5: Solve for x
    x = 231,984,880,831.31/741,136.85
  6. Step 6: Final answer
    x = 313,012.21

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Double scale
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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.