Finding the Fourth Proportional to 1,728,298.20, 2,590,373.70 and 886,416.60
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Solution
The fourth proportional to 1,728,298.20, 2,590,373.70 and 886,416.60 is: 1,328,561.38
Step by Step Solution
- Step 1: Write the proportion equation
1,728,298.20 : 2,590,373.70 = 886,416.60 : x - Step 2: Convert to fraction form
1,728,298.20/2,590,373.70 = 886,416.60/x - Step 3: Cross multiply
1,728,298.20x = 2,590,373.70 × 886,416.60 - Step 4: Simplify right side
1,728,298.20x = 2,296,150,247,883.42 - Step 5: Solve for x
x = 2,296,150,247,883.42/1,728,298.20 - Step 6: Final answer
x = 1,328,561.38
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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.