Finding the Fourth Proportional to 1,431,400.84, 1,975,337.24 and 819,562.98
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Solution
The fourth proportional to 1,431,400.84, 1,975,337.24 and 819,562.98 is: 1,130,999.25
Step by Step Solution
- Step 1: Write the proportion equation
1,431,400.84 : 1,975,337.24 = 819,562.98 : x - Step 2: Convert to fraction form
1,431,400.84/1,975,337.24 = 819,562.98/x - Step 3: Cross multiply
1,431,400.84x = 1,975,337.24 × 819,562.98 - Step 4: Simplify right side
1,431,400.84x = 1,618,913,274,919.38 - Step 5: Solve for x
x = 1,618,913,274,919.38/1,431,400.84 - Step 6: Final answer
x = 1,130,999.25
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.