Finding the Fourth Proportional to 967,242.84, 1,450,466.08 and 420,170.28
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Solution
The fourth proportional to 967,242.84, 1,450,466.08 and 420,170.28 is: 630,082.45
Step by Step Solution
- Step 1: Write the proportion equation
967,242.84 : 1,450,466.08 = 420,170.28 : x - Step 2: Convert to fraction form
967,242.84/1,450,466.08 = 420,170.28/x - Step 3: Cross multiply
967,242.84x = 1,450,466.08 × 420,170.28 - Step 4: Simplify right side
967,242.84x = 609,442,738,964.10 - Step 5: Solve for x
x = 609,442,738,964.10/967,242.84 - Step 6: Final answer
x = 630,082.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.