Finding the Fourth Proportional to 1,663,576.35, 2,295,717.78 and 938,659.97
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Solution
The fourth proportional to 1,663,576.35, 2,295,717.78 and 938,659.97 is: 1,295,340.84
Step by Step Solution
- Step 1: Write the proportion equation
1,663,576.35 : 2,295,717.78 = 938,659.97 : x - Step 2: Convert to fraction form
1,663,576.35/2,295,717.78 = 938,659.97/x - Step 3: Cross multiply
1,663,576.35x = 2,295,717.78 × 938,659.97 - Step 4: Simplify right side
1,663,576.35x = 2,154,898,382,503.27 - Step 5: Solve for x
x = 2,154,898,382,503.27/1,663,576.35 - Step 6: Final answer
x = 1,295,340.84
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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.