Finding the Fourth Proportional to 1,869,576, 2,804,079.69 and 521,596.68
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Solution
The fourth proportional to 1,869,576, 2,804,079.69 and 521,596.68 is: 782,315.70
Step by Step Solution
- Step 1: Write the proportion equation
1,869,576 : 2,804,079.69 = 521,596.68 : x - Step 2: Convert to fraction form
1,869,576/2,804,079.69 = 521,596.68/x - Step 3: Cross multiply
1,869,576x = 2,804,079.69 × 521,596.68 - Step 4: Simplify right side
1,869,576x = 1,462,598,656,759.43 - Step 5: Solve for x
x = 1,462,598,656,759.43/1,869,576 - Step 6: Final answer
x = 782,315.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.