Finding the Fourth Proportional to 1,115,124.26, 1,538,878.84 and 605,826.50
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Solution
The fourth proportional to 1,115,124.26, 1,538,878.84 and 605,826.50 is: 836,044.56
Step by Step Solution
- Step 1: Write the proportion equation
1,115,124.26 : 1,538,878.84 = 605,826.50 : x - Step 2: Convert to fraction form
1,115,124.26/1,538,878.84 = 605,826.50/x - Step 3: Cross multiply
1,115,124.26x = 1,538,878.84 × 605,826.50 - Step 4: Simplify right side
1,115,124.26x = 932,293,572,352.30 - Step 5: Solve for x
x = 932,293,572,352.30/1,115,124.26 - Step 6: Final answer
x = 836,044.56
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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.