Home / 348,976.20-523,464.30-313,546.80

Finding the Fourth Proportional to 348,976.20, 523,464.30 and 313,546.80

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Solution

The fourth proportional to 348,976.20, 523,464.30 and 313,546.80 is: 470,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,976.20 : 523,464.30 = 313,546.80 : x
  2. Step 2: Convert to fraction form
    348,976.20/523,464.30 = 313,546.80/x
  3. Step 3: Cross multiply
    348,976.20x = 523,464.30 × 313,546.80
  4. Step 4: Simplify right side
    348,976.20x = 164,130,556,179.24
  5. Step 5: Solve for x
    x = 164,130,556,179.24/348,976.20
  6. Step 6: Final answer
    x = 470,320.20

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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.