Finding the Fourth Proportional to 741,446.68, 1,023,197.96 and 401,914.92
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Solution
The fourth proportional to 741,446.68, 1,023,197.96 and 401,914.92 is: 554,643.43
Step by Step Solution
- Step 1: Write the proportion equation
741,446.68 : 1,023,197.96 = 401,914.92 : x - Step 2: Convert to fraction form
741,446.68/1,023,197.96 = 401,914.92/x - Step 3: Cross multiply
741,446.68x = 1,023,197.96 × 401,914.92 - Step 4: Simplify right side
741,446.68x = 411,238,526,237.56 - Step 5: Solve for x
x = 411,238,526,237.56/741,446.68 - Step 6: Final answer
x = 554,643.43
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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.