Home / 1,286,773.92-1,928,905.70-612,674.10

Finding the Fourth Proportional to 1,286,773.92, 1,928,905.70 and 612,674.10

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Solution

The fourth proportional to 1,286,773.92, 1,928,905.70 and 612,674.10 is: 918,413.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,773.92 : 1,928,905.70 = 612,674.10 : x
  2. Step 2: Convert to fraction form
    1,286,773.92/1,928,905.70 = 612,674.10/x
  3. Step 3: Cross multiply
    1,286,773.92x = 1,928,905.70 × 612,674.10
  4. Step 4: Simplify right side
    1,286,773.92x = 1,181,790,563,732.37
  5. Step 5: Solve for x
    x = 1,181,790,563,732.37/1,286,773.92
  6. Step 6: Final answer
    x = 918,413.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.