Finding the Fourth Proportional to 1,010,983.21, 1,516,053.21 and 411,537.44
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Solution
The fourth proportional to 1,010,983.21, 1,516,053.21 and 411,537.44 is: 617,134.54
Step by Step Solution
- Step 1: Write the proportion equation
1,010,983.21 : 1,516,053.21 = 411,537.44 : x - Step 2: Convert to fraction form
1,010,983.21/1,516,053.21 = 411,537.44/x - Step 3: Cross multiply
1,010,983.21x = 1,516,053.21 × 411,537.44 - Step 4: Simplify right side
1,010,983.21x = 623,912,659,194.05 - Step 5: Solve for x
x = 623,912,659,194.05/1,010,983.21 - Step 6: Final answer
x = 617,134.54
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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.