Finding the Fourth Proportional to 1,319,038.56, 1,819,603.44 and 834,787.68
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Solution
The fourth proportional to 1,319,038.56, 1,819,603.44 and 834,787.68 is: 1,151,583.12
Step by Step Solution
- Step 1: Write the proportion equation
1,319,038.56 : 1,819,603.44 = 834,787.68 : x - Step 2: Convert to fraction form
1,319,038.56/1,819,603.44 = 834,787.68/x - Step 3: Cross multiply
1,319,038.56x = 1,819,603.44 × 834,787.68 - Step 4: Simplify right side
1,319,038.56x = 1,518,982,534,197.62 - Step 5: Solve for x
x = 1,518,982,534,197.62/1,319,038.56 - Step 6: Final answer
x = 1,151,583.12
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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.