Finding the Fourth Proportional to 1,109,823.99, 1,531,562.36 and 626,409.51
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Solution
The fourth proportional to 1,109,823.99, 1,531,562.36 and 626,409.51 is: 864,448.09
Step by Step Solution
- Step 1: Write the proportion equation
1,109,823.99 : 1,531,562.36 = 626,409.51 : x - Step 2: Convert to fraction form
1,109,823.99/1,531,562.36 = 626,409.51/x - Step 3: Cross multiply
1,109,823.99x = 1,531,562.36 × 626,409.51 - Step 4: Simplify right side
1,109,823.99x = 959,385,224,330.00 - Step 5: Solve for x
x = 959,385,224,330.00/1,109,823.99 - Step 6: Final answer
x = 864,448.09
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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.