Finding the Fourth Proportional to 1,135,911.27, 1,567,562.02 and 619,676.19
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Solution
The fourth proportional to 1,135,911.27, 1,567,562.02 and 619,676.19 is: 855,155.58
Step by Step Solution
- Step 1: Write the proportion equation
1,135,911.27 : 1,567,562.02 = 619,676.19 : x - Step 2: Convert to fraction form
1,135,911.27/1,567,562.02 = 619,676.19/x - Step 3: Cross multiply
1,135,911.27x = 1,567,562.02 × 619,676.19 - Step 4: Simplify right side
1,135,911.27x = 971,380,860,142.30 - Step 5: Solve for x
x = 971,380,860,142.30/1,135,911.27 - Step 6: Final answer
x = 855,155.58
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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.