Finding the Fourth Proportional to 1,044,259.11, 1,440,948.55 and 636,212.88
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Solution
The fourth proportional to 1,044,259.11, 1,440,948.55 and 636,212.88 is: 877,895.17
Step by Step Solution
- Step 1: Write the proportion equation
1,044,259.11 : 1,440,948.55 = 636,212.88 : x - Step 2: Convert to fraction form
1,044,259.11/1,440,948.55 = 636,212.88/x - Step 3: Cross multiply
1,044,259.11x = 1,440,948.55 × 636,212.88 - Step 4: Simplify right side
1,044,259.11x = 916,750,026,927.32 - Step 5: Solve for x
x = 916,750,026,927.32/1,044,259.11 - Step 6: Final answer
x = 877,895.17
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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.