Finding the Fourth Proportional to 1,776,441.41, 2,664,637.36 and 428,592.71
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Solution
The fourth proportional to 1,776,441.41, 2,664,637.36 and 428,592.71 is: 642,883.09
Step by Step Solution
- Step 1: Write the proportion equation
1,776,441.41 : 2,664,637.36 = 428,592.71 : x - Step 2: Convert to fraction form
1,776,441.41/2,664,637.36 = 428,592.71/x - Step 3: Cross multiply
1,776,441.41x = 2,664,637.36 × 428,592.71 - Step 4: Simplify right side
1,776,441.41x = 1,142,044,147,289.65 - Step 5: Solve for x
x = 1,142,044,147,289.65/1,776,441.41 - Step 6: Final answer
x = 642,883.09
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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.