Finding the Fourth Proportional to 1,117,513.05, 1,676,519.45 and 407,541.09
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Solution
The fourth proportional to 1,117,513.05, 1,676,519.45 and 407,541.09 is: 611,402.76
Step by Step Solution
- Step 1: Write the proportion equation
1,117,513.05 : 1,676,519.45 = 407,541.09 : x - Step 2: Convert to fraction form
1,117,513.05/1,676,519.45 = 407,541.09/x - Step 3: Cross multiply
1,117,513.05x = 1,676,519.45 × 407,541.09 - Step 4: Simplify right side
1,117,513.05x = 683,250,555,676.60 - Step 5: Solve for x
x = 683,250,555,676.60/1,117,513.05 - Step 6: Final answer
x = 611,402.76
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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.