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Finding the Fourth Proportional to 1,414,131, 1,951,501.10 and 778,227

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Solution

The fourth proportional to 1,414,131, 1,951,501.10 and 778,227 is: 1,073,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,131 : 1,951,501.10 = 778,227 : x
  2. Step 2: Convert to fraction form
    1,414,131/1,951,501.10 = 778,227/x
  3. Step 3: Cross multiply
    1,414,131x = 1,951,501.10 × 778,227
  4. Step 4: Simplify right side
    1,414,131x = 1,518,710,846,549.70
  5. Step 5: Solve for x
    x = 1,518,710,846,549.70/1,414,131
  6. Step 6: Final answer
    x = 1,073,953.44

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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.