Finding the Fourth Proportional to 991,859.99, 1,486,544.76 and 536,433.07
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Solution
The fourth proportional to 991,859.99, 1,486,544.76 and 536,433.07 is: 803,976.15
Step by Step Solution
- Step 1: Write the proportion equation
991,859.99 : 1,486,544.76 = 536,433.07 : x - Step 2: Convert to fraction form
991,859.99/1,486,544.76 = 536,433.07/x - Step 3: Cross multiply
991,859.99x = 1,486,544.76 × 536,433.07 - Step 4: Simplify right side
991,859.99x = 797,431,770,333.41 - Step 5: Solve for x
x = 797,431,770,333.41/991,859.99 - Step 6: Final answer
x = 803,976.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.