Home / 621,870.78-932,835.36-201,179.46

Finding the Fourth Proportional to 621,870.78, 932,835.36 and 201,179.46

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Solution

The fourth proportional to 621,870.78, 932,835.36 and 201,179.46 is: 301,778.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,870.78 : 932,835.36 = 201,179.46 : x
  2. Step 2: Convert to fraction form
    621,870.78/932,835.36 = 201,179.46/x
  3. Step 3: Cross multiply
    621,870.78x = 932,835.36 × 201,179.46
  4. Step 4: Simplify right side
    621,870.78x = 187,667,313,993.71
  5. Step 5: Solve for x
    x = 187,667,313,993.71/621,870.78
  6. Step 6: Final answer
    x = 301,778.63

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1.5x scale

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.