Finding the Fourth Proportional to 1,202,731.99, 1,659,756.93 and 651,433.98
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Solution
The fourth proportional to 1,202,731.99, 1,659,756.93 and 651,433.98 is: 898,971.73
Step by Step Solution
- Step 1: Write the proportion equation
1,202,731.99 : 1,659,756.93 = 651,433.98 : x - Step 2: Convert to fraction form
1,202,731.99/1,659,756.93 = 651,433.98/x - Step 3: Cross multiply
1,202,731.99x = 1,659,756.93 × 651,433.98 - Step 4: Simplify right side
1,202,731.99x = 1,081,222,062,742.48 - Step 5: Solve for x
x = 1,081,222,062,742.48/1,202,731.99 - Step 6: Final answer
x = 898,971.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.