Finding the Fourth Proportional to 1,192,916.09, 1,646,174.93 and 649,054.05
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Solution
The fourth proportional to 1,192,916.09, 1,646,174.93 and 649,054.05 is: 895,667.78
Step by Step Solution
- Step 1: Write the proportion equation
1,192,916.09 : 1,646,174.93 = 649,054.05 : x - Step 2: Convert to fraction form
1,192,916.09/1,646,174.93 = 649,054.05/x - Step 3: Cross multiply
1,192,916.09x = 1,646,174.93 × 649,054.05 - Step 4: Simplify right side
1,192,916.09x = 1,068,456,502,079.70 - Step 5: Solve for x
x = 1,068,456,502,079.70/1,192,916.09 - Step 6: Final answer
x = 895,667.78
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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.