Finding the Fourth Proportional to 1,115,754, 1,539,734.76 and 606,459.12
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Solution
The fourth proportional to 1,115,754, 1,539,734.76 and 606,459.12 is: 836,910.45
Step by Step Solution
- Step 1: Write the proportion equation
1,115,754 : 1,539,734.76 = 606,459.12 : x - Step 2: Convert to fraction form
1,115,754/1,539,734.76 = 606,459.12/x - Step 3: Cross multiply
1,115,754x = 1,539,734.76 × 606,459.12 - Step 4: Simplify right side
1,115,754x = 933,786,187,583.01 - Step 5: Solve for x
x = 933,786,187,583.01/1,115,754 - Step 6: Final answer
x = 836,910.45
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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.