Finding the Fourth Proportional to 1,653,469.95, 2,479,239.57 and 641,409.28
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Solution
The fourth proportional to 1,653,469.95, 2,479,239.57 and 641,409.28 is: 961,739.44
Step by Step Solution
- Step 1: Write the proportion equation
1,653,469.95 : 2,479,239.57 = 641,409.28 : x - Step 2: Convert to fraction form
1,653,469.95/2,479,239.57 = 641,409.28/x - Step 3: Cross multiply
1,653,469.95x = 2,479,239.57 × 641,409.28 - Step 4: Simplify right side
1,653,469.95x = 1,590,207,263,748.40 - Step 5: Solve for x
x = 1,590,207,263,748.40/1,653,469.95 - Step 6: Final answer
x = 961,739.44
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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.