Finding the Fourth Proportional to 1,919,765.21, 2,880,270.36 and 571,939.38
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Solution
The fourth proportional to 1,919,765.21, 2,880,270.36 and 571,939.38 is: 858,094.54
Step by Step Solution
- Step 1: Write the proportion equation
1,919,765.21 : 2,880,270.36 = 571,939.38 : x - Step 2: Convert to fraction form
1,919,765.21/2,880,270.36 = 571,939.38/x - Step 3: Cross multiply
1,919,765.21x = 2,880,270.36 × 571,939.38 - Step 4: Simplify right side
1,919,765.21x = 1,647,340,043,930.78 - Step 5: Solve for x
x = 1,647,340,043,930.78/1,919,765.21 - Step 6: Final answer
x = 858,094.54
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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.