Finding the Fourth Proportional to 982,023.74, 1,355,378.87 and 614,671.26
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Solution
The fourth proportional to 982,023.74, 1,355,378.87 and 614,671.26 is: 848,362.83
Step by Step Solution
- Step 1: Write the proportion equation
982,023.74 : 1,355,378.87 = 614,671.26 : x - Step 2: Convert to fraction form
982,023.74/1,355,378.87 = 614,671.26/x - Step 3: Cross multiply
982,023.74x = 1,355,378.87 × 614,671.26 - Step 4: Simplify right side
982,023.74x = 833,112,437,800.28 - Step 5: Solve for x
x = 833,112,437,800.28/982,023.74 - Step 6: Final answer
x = 848,362.83
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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.