Finding the Fourth Proportional to 924,136.10, 1,386,204.15 and 737,512.10
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Solution
The fourth proportional to 924,136.10, 1,386,204.15 and 737,512.10 is: 1,106,268.15
Step by Step Solution
- Step 1: Write the proportion equation
924,136.10 : 1,386,204.15 = 737,512.10 : x - Step 2: Convert to fraction form
924,136.10/1,386,204.15 = 737,512.10/x - Step 3: Cross multiply
924,136.10x = 1,386,204.15 × 737,512.10 - Step 4: Simplify right side
924,136.10x = 1,022,342,333,695.21 - Step 5: Solve for x
x = 1,022,342,333,695.21/924,136.10 - Step 6: Final answer
x = 1,106,268.15
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1.5x scale
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.