Finding the Fourth Proportional to 1,744,516.47, 2,407,079.73 and 1,019,224.05
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Solution
The fourth proportional to 1,744,516.47, 2,407,079.73 and 1,019,224.05 is: 1,406,322.95
Step by Step Solution
- Step 1: Write the proportion equation
1,744,516.47 : 2,407,079.73 = 1,019,224.05 : x - Step 2: Convert to fraction form
1,744,516.47/2,407,079.73 = 1,019,224.05/x - Step 3: Cross multiply
1,744,516.47x = 2,407,079.73 × 1,019,224.05 - Step 4: Simplify right side
1,744,516.47x = 2,453,353,545,879.05 - Step 5: Solve for x
x = 2,453,353,545,879.05/1,744,516.47 - Step 6: Final answer
x = 1,406,322.95
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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.