Finding the Fourth Proportional to 1,528,223.66, 2,108,811.41 and 839,887.99
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Solution
The fourth proportional to 1,528,223.66, 2,108,811.41 and 839,887.99 is: 1,158,970.00
Step by Step Solution
- Step 1: Write the proportion equation
1,528,223.66 : 2,108,811.41 = 839,887.99 : x - Step 2: Convert to fraction form
1,528,223.66/2,108,811.41 = 839,887.99/x - Step 3: Cross multiply
1,528,223.66x = 2,108,811.41 × 839,887.99 - Step 4: Simplify right side
1,528,223.66x = 1,771,165,370,112.08 - Step 5: Solve for x
x = 1,771,165,370,112.08/1,528,223.66 - Step 6: Final answer
x = 1,158,970.00
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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.