Home / 522,023.72-782,931.90-255,669.80

Finding the Fourth Proportional to 522,023.72, 782,931.90 and 255,669.80

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Solution

The fourth proportional to 522,023.72, 782,931.90 and 255,669.80 is: 383,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,023.72 : 782,931.90 = 255,669.80 : x
  2. Step 2: Convert to fraction form
    522,023.72/782,931.90 = 255,669.80/x
  3. Step 3: Cross multiply
    522,023.72x = 782,931.90 × 255,669.80
  4. Step 4: Simplify right side
    522,023.72x = 200,172,042,286.62
  5. Step 5: Solve for x
    x = 200,172,042,286.62/522,023.72
  6. Step 6: Final answer
    x = 383,453.92

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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.