Home / 756,126.94-1,134,190.41-223,606.49

Finding the Fourth Proportional to 756,126.94, 1,134,190.41 and 223,606.49

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Solution

The fourth proportional to 756,126.94, 1,134,190.41 and 223,606.49 is: 335,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,126.94 : 1,134,190.41 = 223,606.49 : x
  2. Step 2: Convert to fraction form
    756,126.94/1,134,190.41 = 223,606.49/x
  3. Step 3: Cross multiply
    756,126.94x = 1,134,190.41 × 223,606.49
  4. Step 4: Simplify right side
    756,126.94x = 253,612,336,571.76
  5. Step 5: Solve for x
    x = 253,612,336,571.76/756,126.94
  6. Step 6: Final answer
    x = 335,409.74

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Double scale
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Similar ratio
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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.