Finding the Fourth Proportional to 722,057.24, 996,543.93 and 416,074.07
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Solution
The fourth proportional to 722,057.24, 996,543.93 and 416,074.07 is: 574,242.68
Step by Step Solution
- Step 1: Write the proportion equation
722,057.24 : 996,543.93 = 416,074.07 : x - Step 2: Convert to fraction form
722,057.24/996,543.93 = 416,074.07/x - Step 3: Cross multiply
722,057.24x = 996,543.93 × 416,074.07 - Step 4: Simplify right side
722,057.24x = 414,636,083,906.18 - Step 5: Solve for x
x = 414,636,083,906.18/722,057.24 - Step 6: Final answer
x = 574,242.68
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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.