Finding the Fourth Proportional to 1,241,712.08, 1,714,030.95 and 725,634.07
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Solution
The fourth proportional to 1,241,712.08, 1,714,030.95 and 725,634.07 is: 1,001,648.67
Step by Step Solution
- Step 1: Write the proportion equation
1,241,712.08 : 1,714,030.95 = 725,634.07 : x - Step 2: Convert to fraction form
1,241,712.08/1,714,030.95 = 725,634.07/x - Step 3: Cross multiply
1,241,712.08x = 1,714,030.95 × 725,634.07 - Step 4: Simplify right side
1,241,712.08x = 1,243,759,255,570.38 - Step 5: Solve for x
x = 1,243,759,255,570.38/1,241,712.08 - Step 6: Final answer
x = 1,001,648.67
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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.