Finding the Fourth Proportional to 1,038,394.88, 1,433,633.68 and 796,212.24
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Solution
The fourth proportional to 1,038,394.88, 1,433,633.68 and 796,212.24 is: 1,099,270.33
Step by Step Solution
- Step 1: Write the proportion equation
1,038,394.88 : 1,433,633.68 = 796,212.24 : x - Step 2: Convert to fraction form
1,038,394.88/1,433,633.68 = 796,212.24/x - Step 3: Cross multiply
1,038,394.88x = 1,433,633.68 × 796,212.24 - Step 4: Simplify right side
1,038,394.88x = 1,141,476,683,692.24 - Step 5: Solve for x
x = 1,141,476,683,692.24/1,038,394.88 - Step 6: Final answer
x = 1,099,270.33
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1.5x scale
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.