Finding the Fourth Proportional to 1,243,593.05, 1,863,136.94 and 570,237.62
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Solution
The fourth proportional to 1,243,593.05, 1,863,136.94 and 570,237.62 is: 854,323.50
Step by Step Solution
- Step 1: Write the proportion equation
1,243,593.05 : 1,863,136.94 = 570,237.62 : x - Step 2: Convert to fraction form
1,243,593.05/1,863,136.94 = 570,237.62/x - Step 3: Cross multiply
1,243,593.05x = 1,863,136.94 × 570,237.62 - Step 4: Simplify right side
1,243,593.05x = 1,062,430,762,232.81 - Step 5: Solve for x
x = 1,062,430,762,232.81/1,243,593.05 - Step 6: Final answer
x = 854,323.50
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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.