Finding the Fourth Proportional to 1,051,623.18, 1,576,802.97 and 411,163.88
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Solution
The fourth proportional to 1,051,623.18, 1,576,802.97 and 411,163.88 is: 616,498.79
Step by Step Solution
- Step 1: Write the proportion equation
1,051,623.18 : 1,576,802.97 = 411,163.88 : x - Step 2: Convert to fraction form
1,051,623.18/1,576,802.97 = 411,163.88/x - Step 3: Cross multiply
1,051,623.18x = 1,576,802.97 × 411,163.88 - Step 4: Simplify right side
1,051,623.18x = 648,324,419,256.71 - Step 5: Solve for x
x = 648,324,419,256.71/1,051,623.18 - Step 6: Final answer
x = 616,498.79
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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.