Finding the Fourth Proportional to 1,870,960.32, 2,806,401.60 and 748,728
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Solution
The fourth proportional to 1,870,960.32, 2,806,401.60 and 748,728 is: 1,123,076.44
Step by Step Solution
- Step 1: Write the proportion equation
1,870,960.32 : 2,806,401.60 = 748,728 : x - Step 2: Convert to fraction form
1,870,960.32/2,806,401.60 = 748,728/x - Step 3: Cross multiply
1,870,960.32x = 2,806,401.60 × 748,728 - Step 4: Simplify right side
1,870,960.32x = 2,101,231,457,164.80 - Step 5: Solve for x
x = 2,101,231,457,164.80/1,870,960.32 - Step 6: Final answer
x = 1,123,076.44
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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.