Finding the Fourth Proportional to 1,783,563.19, 2,675,337.58 and 646,059.18
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Solution
The fourth proportional to 1,783,563.19, 2,675,337.58 and 646,059.18 is: 969,086.15
Step by Step Solution
- Step 1: Write the proportion equation
1,783,563.19 : 2,675,337.58 = 646,059.18 : x - Step 2: Convert to fraction form
1,783,563.19/2,675,337.58 = 646,059.18/x - Step 3: Cross multiply
1,783,563.19x = 2,675,337.58 × 646,059.18 - Step 4: Simplify right side
1,783,563.19x = 1,728,426,393,933.04 - Step 5: Solve for x
x = 1,728,426,393,933.04/1,783,563.19 - Step 6: Final answer
x = 969,086.15
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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.