Finding the Fourth Proportional to 1,229,566.19, 1,696,797.99 and 685,702.55
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Solution
The fourth proportional to 1,229,566.19, 1,696,797.99 and 685,702.55 is: 946,267.66
Step by Step Solution
- Step 1: Write the proportion equation
1,229,566.19 : 1,696,797.99 = 685,702.55 : x - Step 2: Convert to fraction form
1,229,566.19/1,696,797.99 = 685,702.55/x - Step 3: Cross multiply
1,229,566.19x = 1,696,797.99 × 685,702.55 - Step 4: Simplify right side
1,229,566.19x = 1,163,498,712,819.87 - Step 5: Solve for x
x = 1,163,498,712,819.87/1,229,566.19 - Step 6: Final answer
x = 946,267.66
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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.