Finding the Fourth Proportional to 1,124,155.68, 1,551,371.90 and 614,858.01
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Solution
The fourth proportional to 1,124,155.68, 1,551,371.90 and 614,858.01 is: 848,524.32
Step by Step Solution
- Step 1: Write the proportion equation
1,124,155.68 : 1,551,371.90 = 614,858.01 : x - Step 2: Convert to fraction form
1,124,155.68/1,551,371.90 = 614,858.01/x - Step 3: Cross multiply
1,124,155.68x = 1,551,371.90 × 614,858.01 - Step 4: Simplify right side
1,124,155.68x = 953,873,436,129.63 - Step 5: Solve for x
x = 953,873,436,129.63/1,124,155.68 - Step 6: Final answer
x = 848,524.32
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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.