Finding the Fourth Proportional to 1,291,515.12, 1,937,253.24 and 581,041.44
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Solution
The fourth proportional to 1,291,515.12, 1,937,253.24 and 581,041.44 is: 871,553.41
Step by Step Solution
- Step 1: Write the proportion equation
1,291,515.12 : 1,937,253.24 = 581,041.44 : x - Step 2: Convert to fraction form
1,291,515.12/1,937,253.24 = 581,041.44/x - Step 3: Cross multiply
1,291,515.12x = 1,937,253.24 × 581,041.44 - Step 4: Simplify right side
1,291,515.12x = 1,125,624,412,214.27 - Step 5: Solve for x
x = 1,125,624,412,214.27/1,291,515.12 - Step 6: Final answer
x = 871,553.41
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.