Finding the Fourth Proportional to 1,211,704.51, 1,817,893.92 and 528,651.10
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Solution
The fourth proportional to 1,211,704.51, 1,817,893.92 and 528,651.10 is: 793,123.75
Step by Step Solution
- Step 1: Write the proportion equation
1,211,704.51 : 1,817,893.92 = 528,651.10 : x - Step 2: Convert to fraction form
1,211,704.51/1,817,893.92 = 528,651.10/x - Step 3: Cross multiply
1,211,704.51x = 1,817,893.92 × 528,651.10 - Step 4: Simplify right side
1,211,704.51x = 961,031,620,491.31 - Step 5: Solve for x
x = 961,031,620,491.31/1,211,704.51 - Step 6: Final answer
x = 793,123.75
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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.