Finding the Fourth Proportional to 1,128,552.36, 1,557,397.98 and 619,263.24
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Solution
The fourth proportional to 1,128,552.36, 1,557,397.98 and 619,263.24 is: 854,580.92
Step by Step Solution
- Step 1: Write the proportion equation
1,128,552.36 : 1,557,397.98 = 619,263.24 : x - Step 2: Convert to fraction form
1,128,552.36/1,557,397.98 = 619,263.24/x - Step 3: Cross multiply
1,128,552.36x = 1,557,397.98 × 619,263.24 - Step 4: Simplify right side
1,128,552.36x = 964,439,319,064.26 - Step 5: Solve for x
x = 964,439,319,064.26/1,128,552.36 - Step 6: Final answer
x = 854,580.92
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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.