Finding the Fourth Proportional to 1,277,704.24, 1,916,141.51 and 424,546.81
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Solution
The fourth proportional to 1,277,704.24, 1,916,141.51 and 424,546.81 is: 636,682.37
Step by Step Solution
- Step 1: Write the proportion equation
1,277,704.24 : 1,916,141.51 = 424,546.81 : x - Step 2: Convert to fraction form
1,277,704.24/1,916,141.51 = 424,546.81/x - Step 3: Cross multiply
1,277,704.24x = 1,916,141.51 × 424,546.81 - Step 4: Simplify right side
1,277,704.24x = 813,491,761,850.10 - Step 5: Solve for x
x = 813,491,761,850.10/1,277,704.24 - Step 6: Final answer
x = 636,682.37
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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.