Finding the Fourth Proportional to 1,100,491.60, 1,541,738 and 1,100,491.60
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Solution
The fourth proportional to 1,100,491.60, 1,541,738 and 1,100,491.60 is: 1,541,738
Step by Step Solution
- Step 1: Write the proportion equation
1,100,491.60 : 1,541,738 = 1,100,491.60 : x - Step 2: Convert to fraction form
1,100,491.60/1,541,738 = 1,100,491.60/x - Step 3: Cross multiply
1,100,491.60x = 1,541,738 × 1,100,491.60 - Step 4: Simplify right side
1,100,491.60x = 1,696,669,718,400.80 - Step 5: Solve for x
x = 1,696,669,718,400.80/1,100,491.60 - Step 6: Final answer
x = 1,541,738
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.