Home / 530,976.36-794,592.90-331,390.20

Finding the Fourth Proportional to 530,976.36, 794,592.90 and 331,390.20

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Solution

The fourth proportional to 530,976.36, 794,592.90 and 331,390.20 is: 495,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,976.36 : 794,592.90 = 331,390.20 : x
  2. Step 2: Convert to fraction form
    530,976.36/794,592.90 = 331,390.20/x
  3. Step 3: Cross multiply
    530,976.36x = 794,592.90 × 331,390.20
  4. Step 4: Simplify right side
    530,976.36x = 263,320,300,049.58
  5. Step 5: Solve for x
    x = 263,320,300,049.58/530,976.36
  6. Step 6: Final answer
    x = 495,917.18

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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.