Finding the Fourth Proportional to 1,705,230.19, 2,352,658.81 and 1,215,276.88
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Solution
The fourth proportional to 1,705,230.19, 2,352,658.81 and 1,215,276.88 is: 1,676,683.81
Step by Step Solution
- Step 1: Write the proportion equation
1,705,230.19 : 2,352,658.81 = 1,215,276.88 : x - Step 2: Convert to fraction form
1,705,230.19/2,352,658.81 = 1,215,276.88/x - Step 3: Cross multiply
1,705,230.19x = 2,352,658.81 × 1,215,276.88 - Step 4: Simplify right side
1,705,230.19x = 2,859,131,858,321.31 - Step 5: Solve for x
x = 2,859,131,858,321.31/1,705,230.19 - Step 6: Final answer
x = 1,676,683.81
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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.