Finding the Fourth Proportional to 1,440,354.96, 1,986,811.44 and 923,935.01
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Solution
The fourth proportional to 1,440,354.96, 1,986,811.44 and 923,935.01 is: 1,274,466.84
Step by Step Solution
- Step 1: Write the proportion equation
1,440,354.96 : 1,986,811.44 = 923,935.01 : x - Step 2: Convert to fraction form
1,440,354.96/1,986,811.44 = 923,935.01/x - Step 3: Cross multiply
1,440,354.96x = 1,986,811.44 × 923,935.01 - Step 4: Simplify right side
1,440,354.96x = 1,835,684,634,285.70 - Step 5: Solve for x
x = 1,835,684,634,285.70/1,440,354.96 - Step 6: Final answer
x = 1,274,466.84
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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.