Finding the Fourth Proportional to 1,338,931.92, 2,008,737.74 and 619,792
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Solution
The fourth proportional to 1,338,931.92, 2,008,737.74 and 619,792 is: 929,845.32
Step by Step Solution
- Step 1: Write the proportion equation
1,338,931.92 : 2,008,737.74 = 619,792 : x - Step 2: Convert to fraction form
1,338,931.92/2,008,737.74 = 619,792/x - Step 3: Cross multiply
1,338,931.92x = 2,008,737.74 × 619,792 - Step 4: Simplify right side
1,338,931.92x = 1,244,999,581,350.08 - Step 5: Solve for x
x = 1,244,999,581,350.08/1,338,931.92 - Step 6: Final answer
x = 929,845.32
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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.