Finding the Fourth Proportional to 741,826.11, 1,112,726.97 and 236,380.26
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Solution
The fourth proportional to 741,826.11, 1,112,726.97 and 236,380.26 is: 354,566.50
Step by Step Solution
- Step 1: Write the proportion equation
741,826.11 : 1,112,726.97 = 236,380.26 : x - Step 2: Convert to fraction form
741,826.11/1,112,726.97 = 236,380.26/x - Step 3: Cross multiply
741,826.11x = 1,112,726.97 × 236,380.26 - Step 4: Simplify right side
741,826.11x = 263,026,690,477.61 - Step 5: Solve for x
x = 263,026,690,477.61/741,826.11 - Step 6: Final answer
x = 354,566.50
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1.5x scale
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.