Finding the Fourth Proportional to 801,831.22, 1,106,554.64 and 439,254.99
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Solution
The fourth proportional to 801,831.22, 1,106,554.64 and 439,254.99 is: 606,186.98
Step by Step Solution
- Step 1: Write the proportion equation
801,831.22 : 1,106,554.64 = 439,254.99 : x - Step 2: Convert to fraction form
801,831.22/1,106,554.64 = 439,254.99/x - Step 3: Cross multiply
801,831.22x = 1,106,554.64 × 439,254.99 - Step 4: Simplify right side
801,831.22x = 486,059,645,131.38 - Step 5: Solve for x
x = 486,059,645,131.38/801,831.22 - Step 6: Final answer
x = 606,186.98
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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.