Finding the Fourth Proportional to 1,211,404.96, 1,815,950.76 and 453,040.84
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Solution
The fourth proportional to 1,211,404.96, 1,815,950.76 and 453,040.84 is: 679,128.69
Step by Step Solution
- Step 1: Write the proportion equation
1,211,404.96 : 1,815,950.76 = 453,040.84 : x - Step 2: Convert to fraction form
1,211,404.96/1,815,950.76 = 453,040.84/x - Step 3: Cross multiply
1,211,404.96x = 1,815,950.76 × 453,040.84 - Step 4: Simplify right side
1,211,404.96x = 822,699,857,709.04 - Step 5: Solve for x
x = 822,699,857,709.04/1,211,404.96 - Step 6: Final answer
x = 679,128.69
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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.