Finding the Fourth Proportional to 1,015,683.68, 1,401,743.70 and 580,166.09
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Solution
The fourth proportional to 1,015,683.68, 1,401,743.70 and 580,166.09 is: 800,686.45
Step by Step Solution
- Step 1: Write the proportion equation
1,015,683.68 : 1,401,743.70 = 580,166.09 : x - Step 2: Convert to fraction form
1,015,683.68/1,401,743.70 = 580,166.09/x - Step 3: Cross multiply
1,015,683.68x = 1,401,743.70 × 580,166.09 - Step 4: Simplify right side
1,015,683.68x = 813,244,161,611.13 - Step 5: Solve for x
x = 813,244,161,611.13/1,015,683.68 - Step 6: Final answer
x = 800,686.45
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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.