Finding the Fourth Proportional to 775,957.95, 1,163,986.13 and 243,499.99
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Solution
The fourth proportional to 775,957.95, 1,163,986.13 and 243,499.99 is: 365,265.43
Step by Step Solution
- Step 1: Write the proportion equation
775,957.95 : 1,163,986.13 = 243,499.99 : x - Step 2: Convert to fraction form
775,957.95/1,163,986.13 = 243,499.99/x - Step 3: Cross multiply
775,957.95x = 1,163,986.13 × 243,499.99 - Step 4: Simplify right side
775,957.95x = 283,430,611,015.14 - Step 5: Solve for x
x = 283,430,611,015.14/775,957.95 - Step 6: Final answer
x = 365,265.43
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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.