Finding the Fourth Proportional to 835,171.11, 1,152,539.21 and 453,197.93
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Solution
The fourth proportional to 835,171.11, 1,152,539.21 and 453,197.93 is: 625,414.81
Step by Step Solution
- Step 1: Write the proportion equation
835,171.11 : 1,152,539.21 = 453,197.93 : x - Step 2: Convert to fraction form
835,171.11/1,152,539.21 = 453,197.93/x - Step 3: Cross multiply
835,171.11x = 1,152,539.21 × 453,197.93 - Step 4: Simplify right side
835,171.11x = 522,328,379,586.13 - Step 5: Solve for x
x = 522,328,379,586.13/835,171.11 - Step 6: Final answer
x = 625,414.81
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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.