Finding the Fourth Proportional to 1,285,691.77, 1,774,186.83 and 734,299.08
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Solution
The fourth proportional to 1,285,691.77, 1,774,186.83 and 734,299.08 is: 1,013,293.99
Step by Step Solution
- Step 1: Write the proportion equation
1,285,691.77 : 1,774,186.83 = 734,299.08 : x - Step 2: Convert to fraction form
1,285,691.77/1,774,186.83 = 734,299.08/x - Step 3: Cross multiply
1,285,691.77x = 1,774,186.83 × 734,299.08 - Step 4: Simplify right side
1,285,691.77x = 1,302,783,748,146.18 - Step 5: Solve for x
x = 1,302,783,748,146.18/1,285,691.77 - Step 6: Final answer
x = 1,013,293.99
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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.