Finding the Fourth Proportional to 1,036,638.84, 1,430,072.47 and 606,652.76
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Solution
The fourth proportional to 1,036,638.84, 1,430,072.47 and 606,652.76 is: 836,894.56
Step by Step Solution
- Step 1: Write the proportion equation
1,036,638.84 : 1,430,072.47 = 606,652.76 : x - Step 2: Convert to fraction form
1,036,638.84/1,430,072.47 = 606,652.76/x - Step 3: Cross multiply
1,036,638.84x = 1,430,072.47 × 606,652.76 - Step 4: Simplify right side
1,036,638.84x = 867,557,410,925.52 - Step 5: Solve for x
x = 867,557,410,925.52/1,036,638.84 - Step 6: Final answer
x = 836,894.56
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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.