Finding the Fourth Proportional to 1,576,991, 2,176,247.58 and 861,599
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Solution
The fourth proportional to 1,576,991, 2,176,247.58 and 861,599 is: 1,189,006.62
Step by Step Solution
- Step 1: Write the proportion equation
1,576,991 : 2,176,247.58 = 861,599 : x - Step 2: Convert to fraction form
1,576,991/2,176,247.58 = 861,599/x - Step 3: Cross multiply
1,576,991x = 2,176,247.58 × 861,599 - Step 4: Simplify right side
1,576,991x = 1,875,052,738,680.42 - Step 5: Solve for x
x = 1,875,052,738,680.42/1,576,991 - Step 6: Final answer
x = 1,189,006.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.