Home / 791,481.60-1,184,384.52-685,231.02

Finding the Fourth Proportional to 791,481.60, 1,184,384.52 and 685,231.02

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Solution

The fourth proportional to 791,481.60, 1,184,384.52 and 685,231.02 is: 1,025,389.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,481.60 : 1,184,384.52 = 685,231.02 : x
  2. Step 2: Convert to fraction form
    791,481.60/1,184,384.52 = 685,231.02/x
  3. Step 3: Cross multiply
    791,481.60x = 1,184,384.52 × 685,231.02
  4. Step 4: Simplify right side
    791,481.60x = 811,577,012,711.81
  5. Step 5: Solve for x
    x = 811,577,012,711.81/791,481.60
  6. Step 6: Final answer
    x = 1,025,389.61

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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.