Home / 480,736.52-720,799.50-255,958.28

Finding the Fourth Proportional to 480,736.52, 720,799.50 and 255,958.28

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Solution

The fourth proportional to 480,736.52, 720,799.50 and 255,958.28 is: 383,774.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,736.52 : 720,799.50 = 255,958.28 : x
  2. Step 2: Convert to fraction form
    480,736.52/720,799.50 = 255,958.28/x
  3. Step 3: Cross multiply
    480,736.52x = 720,799.50 × 255,958.28
  4. Step 4: Simplify right side
    480,736.52x = 184,494,600,244.86
  5. Step 5: Solve for x
    x = 184,494,600,244.86/480,736.52
  6. Step 6: Final answer
    x = 383,774.88

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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.