Finding the Fourth Proportional to 740,119.56, 1,021,383.58 and 453,797.48
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Solution
The fourth proportional to 740,119.56, 1,021,383.58 and 453,797.48 is: 626,251.92
Step by Step Solution
- Step 1: Write the proportion equation
740,119.56 : 1,021,383.58 = 453,797.48 : x - Step 2: Convert to fraction form
740,119.56/1,021,383.58 = 453,797.48/x - Step 3: Cross multiply
740,119.56x = 1,021,383.58 × 453,797.48 - Step 4: Simplify right side
740,119.56x = 463,501,294,717.38 - Step 5: Solve for x
x = 463,501,294,717.38/740,119.56 - Step 6: Final answer
x = 626,251.92
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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.