Finding the Fourth Proportional to 1,113,860.09, 1,537,080.44 and 630,451.99
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Solution
The fourth proportional to 1,113,860.09, 1,537,080.44 and 630,451.99 is: 869,997.43
Step by Step Solution
- Step 1: Write the proportion equation
1,113,860.09 : 1,537,080.44 = 630,451.99 : x - Step 2: Convert to fraction form
1,113,860.09/1,537,080.44 = 630,451.99/x - Step 3: Cross multiply
1,113,860.09x = 1,537,080.44 × 630,451.99 - Step 4: Simplify right side
1,113,860.09x = 969,055,420,957.17 - Step 5: Solve for x
x = 969,055,420,957.17/1,113,860.09 - Step 6: Final answer
x = 869,997.43
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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.