Finding the Fourth Proportional to 1,002,733.28, 1,383,768.24 and 620,684
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Solution
The fourth proportional to 1,002,733.28, 1,383,768.24 and 620,684 is: 856,541.64
Step by Step Solution
- Step 1: Write the proportion equation
1,002,733.28 : 1,383,768.24 = 620,684 : x - Step 2: Convert to fraction form
1,002,733.28/1,383,768.24 = 620,684/x - Step 3: Cross multiply
1,002,733.28x = 1,383,768.24 × 620,684 - Step 4: Simplify right side
1,002,733.28x = 858,882,806,276.16 - Step 5: Solve for x
x = 858,882,806,276.16/1,002,733.28 - Step 6: Final answer
x = 856,541.64
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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.