Finding the Fourth Proportional to 1,391,885.10, 2,086,805.97 and 444,709.98
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Solution
The fourth proportional to 1,391,885.10, 2,086,805.97 and 444,709.98 is: 666,738.54
Step by Step Solution
- Step 1: Write the proportion equation
1,391,885.10 : 2,086,805.97 = 444,709.98 : x - Step 2: Convert to fraction form
1,391,885.10/2,086,805.97 = 444,709.98/x - Step 3: Cross multiply
1,391,885.10x = 2,086,805.97 × 444,709.98 - Step 4: Simplify right side
1,391,885.10x = 928,023,441,182.58 - Step 5: Solve for x
x = 928,023,441,182.58/1,391,885.10 - Step 6: Final answer
x = 666,738.54
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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.