Finding the Fourth Proportional to 769,341.64, 1,153,895.70 and 270,589
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Solution
The fourth proportional to 769,341.64, 1,153,895.70 and 270,589 is: 405,842.43
Step by Step Solution
- Step 1: Write the proportion equation
769,341.64 : 1,153,895.70 = 270,589 : x - Step 2: Convert to fraction form
769,341.64/1,153,895.70 = 270,589/x - Step 3: Cross multiply
769,341.64x = 1,153,895.70 × 270,589 - Step 4: Simplify right side
769,341.64x = 312,231,483,567.30 - Step 5: Solve for x
x = 312,231,483,567.30/769,341.64 - Step 6: Final answer
x = 405,842.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.