Finding the Fourth Proportional to 1,053,572.57, 1,453,773.74 and 639,894.08
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Solution
The fourth proportional to 1,053,572.57, 1,453,773.74 and 639,894.08 is: 882,958.83
Step by Step Solution
- Step 1: Write the proportion equation
1,053,572.57 : 1,453,773.74 = 639,894.08 : x - Step 2: Convert to fraction form
1,053,572.57/1,453,773.74 = 639,894.08/x - Step 3: Cross multiply
1,053,572.57x = 1,453,773.74 × 639,894.08 - Step 4: Simplify right side
1,053,572.57x = 930,261,205,742.35 - Step 5: Solve for x
x = 930,261,205,742.35/1,053,572.57 - Step 6: Final answer
x = 882,958.83
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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.