Finding the Fourth Proportional to 929,778.25, 1,394,030.68 and 473,486.24
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Solution
The fourth proportional to 929,778.25, 1,394,030.68 and 473,486.24 is: 709,905.12
Step by Step Solution
- Step 1: Write the proportion equation
929,778.25 : 1,394,030.68 = 473,486.24 : x - Step 2: Convert to fraction form
929,778.25/1,394,030.68 = 473,486.24/x - Step 3: Cross multiply
929,778.25x = 1,394,030.68 × 473,486.24 - Step 4: Simplify right side
929,778.25x = 660,054,335,780.26 - Step 5: Solve for x
x = 660,054,335,780.26/929,778.25 - Step 6: Final answer
x = 709,905.12
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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.