Finding the Fourth Proportional to 1,809,833.36, 2,715,099.95 and 687,814.88
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Solution
The fourth proportional to 1,809,833.36, 2,715,099.95 and 687,814.88 is: 1,031,855.30
Step by Step Solution
- Step 1: Write the proportion equation
1,809,833.36 : 2,715,099.95 = 687,814.88 : x - Step 2: Convert to fraction form
1,809,833.36/2,715,099.95 = 687,814.88/x - Step 3: Cross multiply
1,809,833.36x = 2,715,099.95 × 687,814.88 - Step 4: Simplify right side
1,809,833.36x = 1,867,486,134,441.29 - Step 5: Solve for x
x = 1,867,486,134,441.29/1,809,833.36 - Step 6: Final answer
x = 1,031,855.30
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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.