Home / 492,828.60-739,267.20-256,632.60

Finding the Fourth Proportional to 492,828.60, 739,267.20 and 256,632.60

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Solution

The fourth proportional to 492,828.60, 739,267.20 and 256,632.60 is: 384,961.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,828.60 : 739,267.20 = 256,632.60 : x
  2. Step 2: Convert to fraction form
    492,828.60/739,267.20 = 256,632.60/x
  3. Step 3: Cross multiply
    492,828.60x = 739,267.20 × 256,632.60
  4. Step 4: Simplify right side
    492,828.60x = 189,720,063,630.72
  5. Step 5: Solve for x
    x = 189,720,063,630.72/492,828.60
  6. Step 6: Final answer
    x = 384,961.55

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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.