Finding the Fourth Proportional to 1,341,170.55, 1,850,740.56 and 768,247.63
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Solution
The fourth proportional to 1,341,170.55, 1,850,740.56 and 768,247.63 is: 1,060,138.88
Step by Step Solution
- Step 1: Write the proportion equation
1,341,170.55 : 1,850,740.56 = 768,247.63 : x - Step 2: Convert to fraction form
1,341,170.55/1,850,740.56 = 768,247.63/x - Step 3: Cross multiply
1,341,170.55x = 1,850,740.56 × 768,247.63 - Step 4: Simplify right side
1,341,170.55x = 1,421,827,048,964.87 - Step 5: Solve for x
x = 1,421,827,048,964.87/1,341,170.55 - Step 6: Final answer
x = 1,060,138.88
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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.