Finding the Fourth Proportional to 1,173,344.49, 1,619,216.06 and 636,800.49
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Solution
The fourth proportional to 1,173,344.49, 1,619,216.06 and 636,800.49 is: 878,785.03
Step by Step Solution
- Step 1: Write the proportion equation
1,173,344.49 : 1,619,216.06 = 636,800.49 : x - Step 2: Convert to fraction form
1,173,344.49/1,619,216.06 = 636,800.49/x - Step 3: Cross multiply
1,173,344.49x = 1,619,216.06 × 636,800.49 - Step 4: Simplify right side
1,173,344.49x = 1,031,117,577,239.87 - Step 5: Solve for x
x = 1,031,117,577,239.87/1,173,344.49 - Step 6: Final answer
x = 878,785.03
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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.