Finding the Fourth Proportional to 740,092.19, 1,021,351.99 and 453,556.94
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Solution
The fourth proportional to 740,092.19, 1,021,351.99 and 453,556.94 is: 625,923.76
Step by Step Solution
- Step 1: Write the proportion equation
740,092.19 : 1,021,351.99 = 453,556.94 : x - Step 2: Convert to fraction form
740,092.19/1,021,351.99 = 453,556.94/x - Step 3: Cross multiply
740,092.19x = 1,021,351.99 × 453,556.94 - Step 4: Simplify right side
740,092.19x = 463,241,283,247.31 - Step 5: Solve for x
x = 463,241,283,247.31/740,092.19 - Step 6: Final answer
x = 625,923.76
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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.