Finding the Fourth Proportional to 1,104,824.95, 1,524,643.41 and 621,389.96
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Solution
The fourth proportional to 1,104,824.95, 1,524,643.41 and 621,389.96 is: 857,509.70
Step by Step Solution
- Step 1: Write the proportion equation
1,104,824.95 : 1,524,643.41 = 621,389.96 : x - Step 2: Convert to fraction form
1,104,824.95/1,524,643.41 = 621,389.96/x - Step 3: Cross multiply
1,104,824.95x = 1,524,643.41 × 621,389.96 - Step 4: Simplify right side
1,104,824.95x = 947,398,113,059.37 - Step 5: Solve for x
x = 947,398,113,059.37/1,104,824.95 - Step 6: Final answer
x = 857,509.70
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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.