Finding the Fourth Proportional to 1,104,835.36, 1,524,657.77 and 621,400.32
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Solution
The fourth proportional to 1,104,835.36, 1,524,657.77 and 621,400.32 is: 857,523.99
Step by Step Solution
- Step 1: Write the proportion equation
1,104,835.36 : 1,524,657.77 = 621,400.32 : x - Step 2: Convert to fraction form
1,104,835.36/1,524,657.77 = 621,400.32/x - Step 3: Cross multiply
1,104,835.36x = 1,524,657.77 × 621,400.32 - Step 4: Simplify right side
1,104,835.36x = 947,422,823,061.49 - Step 5: Solve for x
x = 947,422,823,061.49/1,104,835.36 - Step 6: Final answer
x = 857,523.99
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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.