Finding the Fourth Proportional to 775,087.92, 1,163,163.24 and 301,775.76
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Solution
The fourth proportional to 775,087.92, 1,163,163.24 and 301,775.76 is: 452,870.52
Step by Step Solution
- Step 1: Write the proportion equation
775,087.92 : 1,163,163.24 = 301,775.76 : x - Step 2: Convert to fraction form
775,087.92/1,163,163.24 = 301,775.76/x - Step 3: Cross multiply
775,087.92x = 1,163,163.24 × 301,775.76 - Step 4: Simplify right side
775,087.92x = 351,014,470,755.06 - Step 5: Solve for x
x = 351,014,470,755.06/775,087.92 - Step 6: Final answer
x = 452,870.52
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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.