Home / 800,632.81-1,203,829.92-738,216.52

Finding the Fourth Proportional to 800,632.81, 1,203,829.92 and 738,216.52

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Solution

The fourth proportional to 800,632.81, 1,203,829.92 and 738,216.52 is: 1,109,980.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,632.81 : 1,203,829.92 = 738,216.52 : x
  2. Step 2: Convert to fraction form
    800,632.81/1,203,829.92 = 738,216.52/x
  3. Step 3: Cross multiply
    800,632.81x = 1,203,829.92 × 738,216.52
  4. Step 4: Simplify right side
    800,632.81x = 888,687,134,214.28
  5. Step 5: Solve for x
    x = 888,687,134,214.28/800,632.81
  6. Step 6: Final answer
    x = 1,109,980.91

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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.