Finding the Fourth Proportional to 1,392,408.18, 2,086,995.90 and 527,293.17
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Solution
The fourth proportional to 1,392,408.18, 2,086,995.90 and 527,293.17 is: 790,327.65
Step by Step Solution
- Step 1: Write the proportion equation
1,392,408.18 : 2,086,995.90 = 527,293.17 : x - Step 2: Convert to fraction form
1,392,408.18/2,086,995.90 = 527,293.17/x - Step 3: Cross multiply
1,392,408.18x = 2,086,995.90 × 527,293.17 - Step 4: Simplify right side
1,392,408.18x = 1,100,458,683,888.00 - Step 5: Solve for x
x = 1,100,458,683,888.00/1,392,408.18 - Step 6: Final answer
x = 790,327.65
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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.