Finding the Fourth Proportional to 1,192,883.82, 1,646,225.19 and 683,684.70
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Solution
The fourth proportional to 1,192,883.82, 1,646,225.19 and 683,684.70 is: 943,510.97
Step by Step Solution
- Step 1: Write the proportion equation
1,192,883.82 : 1,646,225.19 = 683,684.70 : x - Step 2: Convert to fraction form
1,192,883.82/1,646,225.19 = 683,684.70/x - Step 3: Cross multiply
1,192,883.82x = 1,646,225.19 × 683,684.70 - Step 4: Simplify right side
1,192,883.82x = 1,125,498,975,157.59 - Step 5: Solve for x
x = 1,125,498,975,157.59/1,192,883.82 - Step 6: Final answer
x = 943,510.97
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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.