Finding the Fourth Proportional to 1,162,219.36, 1,600,155.12 and 991,769.44
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Solution
The fourth proportional to 1,162,219.36, 1,600,155.12 and 991,769.44 is: 1,365,477.98
Step by Step Solution
- Step 1: Write the proportion equation
1,162,219.36 : 1,600,155.12 = 991,769.44 : x - Step 2: Convert to fraction form
1,162,219.36/1,600,155.12 = 991,769.44/x - Step 3: Cross multiply
1,162,219.36x = 1,600,155.12 × 991,769.44 - Step 4: Simplify right side
1,162,219.36x = 1,586,984,947,275.53 - Step 5: Solve for x
x = 1,586,984,947,275.53/1,162,219.36 - Step 6: Final answer
x = 1,365,477.98
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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.