Finding the Fourth Proportional to 1,096,243.12, 1,512,821.58 and 612,828.64
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Solution
The fourth proportional to 1,096,243.12, 1,512,821.58 and 612,828.64 is: 845,706.92
Step by Step Solution
- Step 1: Write the proportion equation
1,096,243.12 : 1,512,821.58 = 612,828.64 : x - Step 2: Convert to fraction form
1,096,243.12/1,512,821.58 = 612,828.64/x - Step 3: Cross multiply
1,096,243.12x = 1,512,821.58 × 612,828.64 - Step 4: Simplify right side
1,096,243.12x = 927,100,391,026.97 - Step 5: Solve for x
x = 927,100,391,026.97/1,096,243.12 - Step 6: Final answer
x = 845,706.92
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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.