Finding the Fourth Proportional to 1,286,845.53, 1,775,841.42 and 713,885.70
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Solution
The fourth proportional to 1,286,845.53, 1,775,841.42 and 713,885.70 is: 985,159.26
Step by Step Solution
- Step 1: Write the proportion equation
1,286,845.53 : 1,775,841.42 = 713,885.70 : x - Step 2: Convert to fraction form
1,286,845.53/1,775,841.42 = 713,885.70/x - Step 3: Cross multiply
1,286,845.53x = 1,775,841.42 × 713,885.70 - Step 4: Simplify right side
1,286,845.53x = 1,267,747,795,205.69 - Step 5: Solve for x
x = 1,267,747,795,205.69/1,286,845.53 - Step 6: Final answer
x = 985,159.26
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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.