Finding the Fourth Proportional to 1,512,613.14, 2,087,379.36 and 824,291.16
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Solution
The fourth proportional to 1,512,613.14, 2,087,379.36 and 824,291.16 is: 1,137,507.21
Step by Step Solution
- Step 1: Write the proportion equation
1,512,613.14 : 2,087,379.36 = 824,291.16 : x - Step 2: Convert to fraction form
1,512,613.14/2,087,379.36 = 824,291.16/x - Step 3: Cross multiply
1,512,613.14x = 2,087,379.36 × 824,291.16 - Step 4: Simplify right side
1,512,613.14x = 1,720,608,354,014.46 - Step 5: Solve for x
x = 1,720,608,354,014.46/1,512,613.14 - Step 6: Final answer
x = 1,137,507.21
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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.