Finding the Fourth Proportional to 1,121,064, 1,681,580.21 and 521,689.92
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Solution
The fourth proportional to 1,121,064, 1,681,580.21 and 521,689.92 is: 782,527.53
Step by Step Solution
- Step 1: Write the proportion equation
1,121,064 : 1,681,580.21 = 521,689.92 : x - Step 2: Convert to fraction form
1,121,064/1,681,580.21 = 521,689.92/x - Step 3: Cross multiply
1,121,064x = 1,681,580.21 × 521,689.92 - Step 4: Simplify right side
1,121,064x = 877,263,442,620.03 - Step 5: Solve for x
x = 877,263,442,620.03/1,121,064 - Step 6: Final answer
x = 782,527.53
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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.