Finding the Fourth Proportional to 1,543,572.68, 2,129,451.76 and 931,384
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Solution
The fourth proportional to 1,543,572.68, 2,129,451.76 and 931,384 is: 1,284,900.49
Step by Step Solution
- Step 1: Write the proportion equation
1,543,572.68 : 2,129,451.76 = 931,384 : x - Step 2: Convert to fraction form
1,543,572.68/2,129,451.76 = 931,384/x - Step 3: Cross multiply
1,543,572.68x = 2,129,451.76 × 931,384 - Step 4: Simplify right side
1,543,572.68x = 1,983,337,298,035.84 - Step 5: Solve for x
x = 1,983,337,298,035.84/1,543,572.68 - Step 6: Final answer
x = 1,284,900.49
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.