Finding the Fourth Proportional to 1,173,394.14, 1,619,284.95 and 636,850.14
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Solution
The fourth proportional to 1,173,394.14, 1,619,284.95 and 636,850.14 is: 878,853.76
Step by Step Solution
- Step 1: Write the proportion equation
1,173,394.14 : 1,619,284.95 = 636,850.14 : x - Step 2: Convert to fraction form
1,173,394.14/1,619,284.95 = 636,850.14/x - Step 3: Cross multiply
1,173,394.14x = 1,619,284.95 × 636,850.14 - Step 4: Simplify right side
1,173,394.14x = 1,031,241,847,107.39 - Step 5: Solve for x
x = 1,031,241,847,107.39/1,173,394.14 - Step 6: Final answer
x = 878,853.76
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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.