Finding the Fourth Proportional to 1,301,581.61, 1,953,631.82 and 628,136.99
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Solution
The fourth proportional to 1,301,581.61, 1,953,631.82 and 628,136.99 is: 942,813.27
Step by Step Solution
- Step 1: Write the proportion equation
1,301,581.61 : 1,953,631.82 = 628,136.99 : x - Step 2: Convert to fraction form
1,301,581.61/1,953,631.82 = 628,136.99/x - Step 3: Cross multiply
1,301,581.61x = 1,953,631.82 × 628,136.99 - Step 4: Simplify right side
1,301,581.61x = 1,227,148,410,983.02 - Step 5: Solve for x
x = 1,227,148,410,983.02/1,301,581.61 - Step 6: Final answer
x = 942,813.27
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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.