Finding the Fourth Proportional to 1,405,791.55, 1,939,994.97 and 785,596.71
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Solution
The fourth proportional to 1,405,791.55, 1,939,994.97 and 785,596.71 is: 1,084,124.93
Step by Step Solution
- Step 1: Write the proportion equation
1,405,791.55 : 1,939,994.97 = 785,596.71 : x - Step 2: Convert to fraction form
1,405,791.55/1,939,994.97 = 785,596.71/x - Step 3: Cross multiply
1,405,791.55x = 1,939,994.97 × 785,596.71 - Step 4: Simplify right side
1,405,791.55x = 1,524,053,663,684.05 - Step 5: Solve for x
x = 1,524,053,663,684.05/1,405,791.55 - Step 6: Final answer
x = 1,084,124.93
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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.