Finding the Fourth Proportional to 1,179,341.97, 1,768,670.87 and 459,523.11
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Solution
The fourth proportional to 1,179,341.97, 1,768,670.87 and 459,523.11 is: 689,151.37
Step by Step Solution
- Step 1: Write the proportion equation
1,179,341.97 : 1,768,670.87 = 459,523.11 : x - Step 2: Convert to fraction form
1,179,341.97/1,768,670.87 = 459,523.11/x - Step 3: Cross multiply
1,179,341.97x = 1,768,670.87 × 459,523.11 - Step 4: Simplify right side
1,179,341.97x = 812,745,136,451.19 - Step 5: Solve for x
x = 812,745,136,451.19/1,179,341.97 - Step 6: Final answer
x = 689,151.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.