Finding the Fourth Proportional to 1,720,836.04, 2,374,656.19 and 956,873.20
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Solution
The fourth proportional to 1,720,836.04, 2,374,656.19 and 956,873.20 is: 1,320,430.78
Step by Step Solution
- Step 1: Write the proportion equation
1,720,836.04 : 2,374,656.19 = 956,873.20 : x - Step 2: Convert to fraction form
1,720,836.04/2,374,656.19 = 956,873.20/x - Step 3: Cross multiply
1,720,836.04x = 2,374,656.19 × 956,873.20 - Step 4: Simplify right side
1,720,836.04x = 2,272,244,867,425.11 - Step 5: Solve for x
x = 2,272,244,867,425.11/1,720,836.04 - Step 6: Final answer
x = 1,320,430.78
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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.