Finding the Fourth Proportional to 934,756.18, 1,402,370.24 and 260,836.92
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Solution
The fourth proportional to 934,756.18, 1,402,370.24 and 260,836.92 is: 391,321.23
Step by Step Solution
- Step 1: Write the proportion equation
934,756.18 : 1,402,370.24 = 260,836.92 : x - Step 2: Convert to fraction form
934,756.18/1,402,370.24 = 260,836.92/x - Step 3: Cross multiply
934,756.18x = 1,402,370.24 × 260,836.92 - Step 4: Simplify right side
934,756.18x = 365,789,934,101.26 - Step 5: Solve for x
x = 365,789,934,101.26/934,756.18 - Step 6: Final answer
x = 391,321.23
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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.