Finding the Fourth Proportional to 1,115,124.63, 1,538,879.36 and 605,826.87
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Solution
The fourth proportional to 1,115,124.63, 1,538,879.36 and 605,826.87 is: 836,045.08
Step by Step Solution
- Step 1: Write the proportion equation
1,115,124.63 : 1,538,879.36 = 605,826.87 : x - Step 2: Convert to fraction form
1,115,124.63/1,538,879.36 = 605,826.87/x - Step 3: Cross multiply
1,115,124.63x = 1,538,879.36 × 605,826.87 - Step 4: Simplify right side
1,115,124.63x = 932,294,462,947.27 - Step 5: Solve for x
x = 932,294,462,947.27/1,115,124.63 - Step 6: Final answer
x = 836,045.08
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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.