Home / 840,460.61-1,259,735.31-739,059.95

Finding the Fourth Proportional to 840,460.61, 1,259,735.31 and 739,059.95

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Solution

The fourth proportional to 840,460.61, 1,259,735.31 and 739,059.95 is: 1,107,749.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,460.61 : 1,259,735.31 = 739,059.95 : x
  2. Step 2: Convert to fraction form
    840,460.61/1,259,735.31 = 739,059.95/x
  3. Step 3: Cross multiply
    840,460.61x = 1,259,735.31 × 739,059.95
  4. Step 4: Simplify right side
    840,460.61x = 931,019,915,221.84
  5. Step 5: Solve for x
    x = 931,019,915,221.84/840,460.61
  6. Step 6: Final answer
    x = 1,107,749.61

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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.