Finding the Fourth Proportional to 1,116,991.19, 1,541,399.17 and 620,244.29
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Solution
The fourth proportional to 1,116,991.19, 1,541,399.17 and 620,244.29 is: 855,910.09
Step by Step Solution
- Step 1: Write the proportion equation
1,116,991.19 : 1,541,399.17 = 620,244.29 : x - Step 2: Convert to fraction form
1,116,991.19/1,541,399.17 = 620,244.29/x - Step 3: Cross multiply
1,116,991.19x = 1,541,399.17 × 620,244.29 - Step 4: Simplify right side
1,116,991.19x = 956,044,033,803.24 - Step 5: Solve for x
x = 956,044,033,803.24/1,116,991.19 - Step 6: Final answer
x = 855,910.09
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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.