Finding the Fourth Proportional to 1,543,285.17, 2,129,845.73 and 931,586.94
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Solution
The fourth proportional to 1,543,285.17, 2,129,845.73 and 931,586.94 is: 1,285,657.70
Step by Step Solution
- Step 1: Write the proportion equation
1,543,285.17 : 2,129,845.73 = 931,586.94 : x - Step 2: Convert to fraction form
1,543,285.17/2,129,845.73 = 931,586.94/x - Step 3: Cross multiply
1,543,285.17x = 2,129,845.73 × 931,586.94 - Step 4: Simplify right side
1,543,285.17x = 1,984,136,461,624.83 - Step 5: Solve for x
x = 1,984,136,461,624.83/1,543,285.17 - Step 6: Final answer
x = 1,285,657.70
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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.