Finding the Fourth Proportional to 1,053,214.62, 1,453,430.16 and 569,778.36
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Solution
The fourth proportional to 1,053,214.62, 1,453,430.16 and 569,778.36 is: 786,290.88
Step by Step Solution
- Step 1: Write the proportion equation
1,053,214.62 : 1,453,430.16 = 569,778.36 : x - Step 2: Convert to fraction form
1,053,214.62/1,453,430.16 = 569,778.36/x - Step 3: Cross multiply
1,053,214.62x = 1,453,430.16 × 569,778.36 - Step 4: Simplify right side
1,053,214.62x = 828,133,052,939.34 - Step 5: Solve for x
x = 828,133,052,939.34/1,053,214.62 - Step 6: Final answer
x = 786,290.88
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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.