Finding the Fourth Proportional to 1,128,235.46, 1,557,005.40 and 618,952.82
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Solution
The fourth proportional to 1,128,235.46, 1,557,005.40 and 618,952.82 is: 854,177.09
Step by Step Solution
- Step 1: Write the proportion equation
1,128,235.46 : 1,557,005.40 = 618,952.82 : x - Step 2: Convert to fraction form
1,128,235.46/1,557,005.40 = 618,952.82/x - Step 3: Cross multiply
1,128,235.46x = 1,557,005.40 × 618,952.82 - Step 4: Simplify right side
1,128,235.46x = 963,712,883,085.23 - Step 5: Solve for x
x = 963,712,883,085.23/1,128,235.46 - Step 6: Final answer
x = 854,177.09
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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.