Finding the Fourth Proportional to 623,135.70, 934,703.55 and 623,135.70
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Solution
The fourth proportional to 623,135.70, 934,703.55 and 623,135.70 is: 934,703.55
Step by Step Solution
- Step 1: Write the proportion equation
623,135.70 : 934,703.55 = 623,135.70 : x - Step 2: Convert to fraction form
623,135.70/934,703.55 = 623,135.70/x - Step 3: Cross multiply
623,135.70x = 934,703.55 × 623,135.70 - Step 4: Simplify right side
623,135.70x = 582,447,150,921.74 - Step 5: Solve for x
x = 582,447,150,921.74/623,135.70 - Step 6: Final answer
x = 934,703.55
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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.