Finding the Fourth Proportional to 1,122,793.83, 1,549,453.91 and 639,358.97
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Solution
The fourth proportional to 1,122,793.83, 1,549,453.91 and 639,358.97 is: 882,314.47
Step by Step Solution
- Step 1: Write the proportion equation
1,122,793.83 : 1,549,453.91 = 639,358.97 : x - Step 2: Convert to fraction form
1,122,793.83/1,549,453.91 = 639,358.97/x - Step 3: Cross multiply
1,122,793.83x = 1,549,453.91 × 639,358.97 - Step 4: Simplify right side
1,122,793.83x = 990,657,245,016.01 - Step 5: Solve for x
x = 990,657,245,016.01/1,122,793.83 - Step 6: Final answer
x = 882,314.47
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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.