Finding the Fourth Proportional to 1,183,225.77, 1,632,981.33 and 686,619.09
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Solution
The fourth proportional to 1,183,225.77, 1,632,981.33 and 686,619.09 is: 947,609.65
Step by Step Solution
- Step 1: Write the proportion equation
1,183,225.77 : 1,632,981.33 = 686,619.09 : x - Step 2: Convert to fraction form
1,183,225.77/1,632,981.33 = 686,619.09/x - Step 3: Cross multiply
1,183,225.77x = 1,632,981.33 × 686,619.09 - Step 4: Simplify right side
1,183,225.77x = 1,121,236,154,791.59 - Step 5: Solve for x
x = 1,121,236,154,791.59/1,183,225.77 - Step 6: Final answer
x = 947,609.65
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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.