Finding the Fourth Proportional to 1,285,521.36, 1,774,104.84 and 712,585.68
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Solution
The fourth proportional to 1,285,521.36, 1,774,104.84 and 712,585.68 is: 983,415.56
Step by Step Solution
- Step 1: Write the proportion equation
1,285,521.36 : 1,774,104.84 = 712,585.68 : x - Step 2: Convert to fraction form
1,285,521.36/1,774,104.84 = 712,585.68/x - Step 3: Cross multiply
1,285,521.36x = 1,774,104.84 × 712,585.68 - Step 4: Simplify right side
1,285,521.36x = 1,264,201,703,802.69 - Step 5: Solve for x
x = 1,264,201,703,802.69/1,285,521.36 - Step 6: Final answer
x = 983,415.56
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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.