Finding the Fourth Proportional to 1,014,968.93, 1,400,479.08 and 579,187.31
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Solution
The fourth proportional to 1,014,968.93, 1,400,479.08 and 579,187.31 is: 799,176.88
Step by Step Solution
- Step 1: Write the proportion equation
1,014,968.93 : 1,400,479.08 = 579,187.31 : x - Step 2: Convert to fraction form
1,014,968.93/1,400,479.08 = 579,187.31/x - Step 3: Cross multiply
1,014,968.93x = 1,400,479.08 × 579,187.31 - Step 4: Simplify right side
1,014,968.93x = 811,139,701,882.13 - Step 5: Solve for x
x = 811,139,701,882.13/1,014,968.93 - Step 6: Final answer
x = 799,176.88
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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.