Finding the Fourth Proportional to 1,277,536.59, 1,762,555.28 and 818,903.99
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Solution
The fourth proportional to 1,277,536.59, 1,762,555.28 and 818,903.99 is: 1,129,802.12
Step by Step Solution
- Step 1: Write the proportion equation
1,277,536.59 : 1,762,555.28 = 818,903.99 : x - Step 2: Convert to fraction form
1,277,536.59/1,762,555.28 = 818,903.99/x - Step 3: Cross multiply
1,277,536.59x = 1,762,555.28 × 818,903.99 - Step 4: Simplify right side
1,277,536.59x = 1,443,363,551,699.44 - Step 5: Solve for x
x = 1,443,363,551,699.44/1,277,536.59 - Step 6: Final answer
x = 1,129,802.12
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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.