Finding the Fourth Proportional to 504,400.76, 696,122.14 and 376,854.92
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Solution
The fourth proportional to 504,400.76, 696,122.14 and 376,854.92 is: 520,096.47
Step by Step Solution
- Step 1: Write the proportion equation
504,400.76 : 696,122.14 = 376,854.92 : x - Step 2: Convert to fraction form
504,400.76/696,122.14 = 376,854.92/x - Step 3: Cross multiply
504,400.76x = 696,122.14 × 376,854.92 - Step 4: Simplify right side
504,400.76x = 262,337,053,379.93 - Step 5: Solve for x
x = 262,337,053,379.93/504,400.76 - Step 6: Final answer
x = 520,096.47
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Double scale
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1.5x scale
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.