Finding the Fourth Proportional to 907,755.92, 1,361,836.08 and 276,718.88
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Solution
The fourth proportional to 907,755.92, 1,361,836.08 and 276,718.88 is: 415,139.96
Step by Step Solution
- Step 1: Write the proportion equation
907,755.92 : 1,361,836.08 = 276,718.88 : x - Step 2: Convert to fraction form
907,755.92/1,361,836.08 = 276,718.88/x - Step 3: Cross multiply
907,755.92x = 1,361,836.08 × 276,718.88 - Step 4: Simplify right side
907,755.92x = 376,845,754,801.19 - Step 5: Solve for x
x = 376,845,754,801.19/907,755.92 - Step 6: Final answer
x = 415,139.96
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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.