Finding the Fourth Proportional to 893,635.09, 1,233,216.34 and 491,227.09
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Solution
The fourth proportional to 893,635.09, 1,233,216.34 and 491,227.09 is: 677,893.34
Step by Step Solution
- Step 1: Write the proportion equation
893,635.09 : 1,233,216.34 = 491,227.09 : x - Step 2: Convert to fraction form
893,635.09/1,233,216.34 = 491,227.09/x - Step 3: Cross multiply
893,635.09x = 1,233,216.34 × 491,227.09 - Step 4: Simplify right side
893,635.09x = 605,789,274,038.65 - Step 5: Solve for x
x = 605,789,274,038.65/893,635.09 - Step 6: Final answer
x = 677,893.34
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1.5x scale
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.