Finding the Fourth Proportional to 1,107,386.06, 1,528,239.83 and 617,355.48
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Solution
The fourth proportional to 1,107,386.06, 1,528,239.83 and 617,355.48 is: 851,976.80
Step by Step Solution
- Step 1: Write the proportion equation
1,107,386.06 : 1,528,239.83 = 617,355.48 : x - Step 2: Convert to fraction form
1,107,386.06/1,528,239.83 = 617,355.48/x - Step 3: Cross multiply
1,107,386.06x = 1,528,239.83 × 617,355.48 - Step 4: Simplify right side
1,107,386.06x = 943,467,238,971.49 - Step 5: Solve for x
x = 943,467,238,971.49/1,107,386.06 - Step 6: Final answer
x = 851,976.80
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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.