Home / 729,007.74-1,093,504.89-230,371.74

Finding the Fourth Proportional to 729,007.74, 1,093,504.89 and 230,371.74

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Solution

The fourth proportional to 729,007.74, 1,093,504.89 and 230,371.74 is: 345,555.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,007.74 : 1,093,504.89 = 230,371.74 : x
  2. Step 2: Convert to fraction form
    729,007.74/1,093,504.89 = 230,371.74/x
  3. Step 3: Cross multiply
    729,007.74x = 1,093,504.89 × 230,371.74
  4. Step 4: Simplify right side
    729,007.74x = 251,912,624,207.81
  5. Step 5: Solve for x
    x = 251,912,624,207.81/729,007.74
  6. Step 6: Final answer
    x = 345,555.49

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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.