Finding the Fourth Proportional to 1,306,335.14, 1,802,681.13 and 725,595.92
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Solution
The fourth proportional to 1,306,335.14, 1,802,681.13 and 725,595.92 is: 1,001,288.28
Step by Step Solution
- Step 1: Write the proportion equation
1,306,335.14 : 1,802,681.13 = 725,595.92 : x - Step 2: Convert to fraction form
1,306,335.14/1,802,681.13 = 725,595.92/x - Step 3: Cross multiply
1,306,335.14x = 1,802,681.13 × 725,595.92 - Step 4: Simplify right side
1,306,335.14x = 1,308,018,063,975.58 - Step 5: Solve for x
x = 1,308,018,063,975.58/1,306,335.14 - Step 6: Final answer
x = 1,001,288.28
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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.