Finding the Fourth Proportional to 932,383.76, 1,286,672.68 and 545,236.08
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Solution
The fourth proportional to 932,383.76, 1,286,672.68 and 545,236.08 is: 752,415.90
Step by Step Solution
- Step 1: Write the proportion equation
932,383.76 : 1,286,672.68 = 545,236.08 : x - Step 2: Convert to fraction form
932,383.76/1,286,672.68 = 545,236.08/x - Step 3: Cross multiply
932,383.76x = 1,286,672.68 × 545,236.08 - Step 4: Simplify right side
932,383.76x = 701,540,368,286.29 - Step 5: Solve for x
x = 701,540,368,286.29/932,383.76 - Step 6: Final answer
x = 752,415.90
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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.