Finding the Fourth Proportional to 788,451.99, 1,088,050.77 and 444,323.09
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Solution
The fourth proportional to 788,451.99, 1,088,050.77 and 444,323.09 is: 613,158.54
Step by Step Solution
- Step 1: Write the proportion equation
788,451.99 : 1,088,050.77 = 444,323.09 : x - Step 2: Convert to fraction form
788,451.99/1,088,050.77 = 444,323.09/x - Step 3: Cross multiply
788,451.99x = 1,088,050.77 × 444,323.09 - Step 4: Simplify right side
788,451.99x = 483,446,074,763.03 - Step 5: Solve for x
x = 483,446,074,763.03/788,451.99 - Step 6: Final answer
x = 613,158.54
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Double scale
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Similar ratio
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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.