Finding the Fourth Proportional to 1,173,239.06, 1,619,069.73 and 636,695.06
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Solution
The fourth proportional to 1,173,239.06, 1,619,069.73 and 636,695.06 is: 878,639.09
Step by Step Solution
- Step 1: Write the proportion equation
1,173,239.06 : 1,619,069.73 = 636,695.06 : x - Step 2: Convert to fraction form
1,173,239.06/1,619,069.73 = 636,695.06/x - Step 3: Cross multiply
1,173,239.06x = 1,619,069.73 × 636,695.06 - Step 4: Simplify right side
1,173,239.06x = 1,030,853,698,886.53 - Step 5: Solve for x
x = 1,030,853,698,886.53/1,173,239.06 - Step 6: Final answer
x = 878,639.09
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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.