Finding the Fourth Proportional to 1,034,136.05, 1,551,204.08 and 768,415.55
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Solution
The fourth proportional to 1,034,136.05, 1,551,204.08 and 768,415.55 is: 1,152,623.33
Step by Step Solution
- Step 1: Write the proportion equation
1,034,136.05 : 1,551,204.08 = 768,415.55 : x - Step 2: Convert to fraction form
1,034,136.05/1,551,204.08 = 768,415.55/x - Step 3: Cross multiply
1,034,136.05x = 1,551,204.08 × 768,415.55 - Step 4: Simplify right side
1,034,136.05x = 1,191,969,336,295.44 - Step 5: Solve for x
x = 1,191,969,336,295.44/1,034,136.05 - Step 6: Final answer
x = 1,152,623.33
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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.