Finding the Fourth Proportional to 1,971,937.68, 2,957,906.64 and 642,241.68
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Solution
The fourth proportional to 1,971,937.68, 2,957,906.64 and 642,241.68 is: 963,362.56
Step by Step Solution
- Step 1: Write the proportion equation
1,971,937.68 : 2,957,906.64 = 642,241.68 : x - Step 2: Convert to fraction form
1,971,937.68/2,957,906.64 = 642,241.68/x - Step 3: Cross multiply
1,971,937.68x = 2,957,906.64 × 642,241.68 - Step 4: Simplify right side
1,971,937.68x = 1,899,690,929,756.76 - Step 5: Solve for x
x = 1,899,690,929,756.76/1,971,937.68 - Step 6: Final answer
x = 963,362.56
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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.