Finding the Fourth Proportional to 1,105,908.75, 1,525,891.64 and 622,377.63
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Solution
The fourth proportional to 1,105,908.75, 1,525,891.64 and 622,377.63 is: 858,733.43
Step by Step Solution
- Step 1: Write the proportion equation
1,105,908.75 : 1,525,891.64 = 622,377.63 : x - Step 2: Convert to fraction form
1,105,908.75/1,525,891.64 = 622,377.63/x - Step 3: Cross multiply
1,105,908.75x = 1,525,891.64 × 622,377.63 - Step 4: Simplify right side
1,105,908.75x = 949,680,819,428.13 - Step 5: Solve for x
x = 949,680,819,428.13/1,105,908.75 - Step 6: Final answer
x = 858,733.43
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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.