Finding the Fourth Proportional to 1,284,310.53, 1,773,539.87 and 961,460.19
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Solution
The fourth proportional to 1,284,310.53, 1,773,539.87 and 961,460.19 is: 1,327,706.92
Step by Step Solution
- Step 1: Write the proportion equation
1,284,310.53 : 1,773,539.87 = 961,460.19 : x - Step 2: Convert to fraction form
1,284,310.53/1,773,539.87 = 961,460.19/x - Step 3: Cross multiply
1,284,310.53x = 1,773,539.87 × 961,460.19 - Step 4: Simplify right side
1,284,310.53x = 1,705,187,975,575.47 - Step 5: Solve for x
x = 1,705,187,975,575.47/1,284,310.53 - Step 6: Final answer
x = 1,327,706.92
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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.