Finding the Fourth Proportional to 1,763,540.40, 2,433,876.06 and 999,511.92
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Solution
The fourth proportional to 1,763,540.40, 2,433,876.06 and 999,511.92 is: 1,379,434.31
Step by Step Solution
- Step 1: Write the proportion equation
1,763,540.40 : 2,433,876.06 = 999,511.92 : x - Step 2: Convert to fraction form
1,763,540.40/2,433,876.06 = 999,511.92/x - Step 3: Cross multiply
1,763,540.40x = 2,433,876.06 × 999,511.92 - Step 4: Simplify right side
1,763,540.40x = 2,432,688,133,772.64 - Step 5: Solve for x
x = 2,432,688,133,772.64/1,763,540.40 - Step 6: Final answer
x = 1,379,434.31
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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.