Finding the Fourth Proportional to 1,279,049.11, 1,765,093.41 and 706,093.99
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Solution
The fourth proportional to 1,279,049.11, 1,765,093.41 and 706,093.99 is: 974,412.81
Step by Step Solution
- Step 1: Write the proportion equation
1,279,049.11 : 1,765,093.41 = 706,093.99 : x - Step 2: Convert to fraction form
1,279,049.11/1,765,093.41 = 706,093.99/x - Step 3: Cross multiply
1,279,049.11x = 1,765,093.41 × 706,093.99 - Step 4: Simplify right side
1,279,049.11x = 1,246,321,836,233.67 - Step 5: Solve for x
x = 1,246,321,836,233.67/1,279,049.11 - Step 6: Final answer
x = 974,412.81
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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.