Finding the Fourth Proportional to 1,333,724.09, 1,840,539.10 and 721,876.74
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Solution
The fourth proportional to 1,333,724.09, 1,840,539.10 and 721,876.74 is: 996,189.82
Step by Step Solution
- Step 1: Write the proportion equation
1,333,724.09 : 1,840,539.10 = 721,876.74 : x - Step 2: Convert to fraction form
1,333,724.09/1,840,539.10 = 721,876.74/x - Step 3: Cross multiply
1,333,724.09x = 1,840,539.10 × 721,876.74 - Step 4: Simplify right side
1,333,724.09x = 1,328,642,365,350.53 - Step 5: Solve for x
x = 1,328,642,365,350.53/1,333,724.09 - Step 6: Final answer
x = 996,189.82
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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.