Home / 842,481.60-1,263,722.40-842,481.60

Finding the Fourth Proportional to 842,481.60, 1,263,722.40 and 842,481.60

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Solution

The fourth proportional to 842,481.60, 1,263,722.40 and 842,481.60 is: 1,263,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,481.60 : 1,263,722.40 = 842,481.60 : x
  2. Step 2: Convert to fraction form
    842,481.60/1,263,722.40 = 842,481.60/x
  3. Step 3: Cross multiply
    842,481.60x = 1,263,722.40 × 842,481.60
  4. Step 4: Simplify right side
    842,481.60x = 1,064,662,869,507.84
  5. Step 5: Solve for x
    x = 1,064,662,869,507.84/842,481.60
  6. Step 6: Final answer
    x = 1,263,722.40

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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.