Finding the Fourth Proportional to 700,788.98, 967,108.95 and 394,868.99
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Solution
The fourth proportional to 700,788.98, 967,108.95 and 394,868.99 is: 544,930.57
Step by Step Solution
- Step 1: Write the proportion equation
700,788.98 : 967,108.95 = 394,868.99 : x - Step 2: Convert to fraction form
700,788.98/967,108.95 = 394,868.99/x - Step 3: Cross multiply
700,788.98x = 967,108.95 × 394,868.99 - Step 4: Simplify right side
700,788.98x = 381,881,336,724.23 - Step 5: Solve for x
x = 381,881,336,724.23/700,788.98 - Step 6: Final answer
x = 544,930.57
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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.