Finding the Fourth Proportional to 722,056.74, 996,543.23 and 416,073.57
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Solution
The fourth proportional to 722,056.74, 996,543.23 and 416,073.57 is: 574,241.99
Step by Step Solution
- Step 1: Write the proportion equation
722,056.74 : 996,543.23 = 416,073.57 : x - Step 2: Convert to fraction form
722,056.74/996,543.23 = 416,073.57/x - Step 3: Cross multiply
722,056.74x = 996,543.23 × 416,073.57 - Step 4: Simplify right side
722,056.74x = 414,635,299,365.43 - Step 5: Solve for x
x = 414,635,299,365.43/722,056.74 - Step 6: Final answer
x = 574,241.99
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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.