Home / 470,823.24-649,743.46-255,964.12

Finding the Fourth Proportional to 470,823.24, 649,743.46 and 255,964.12

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Solution

The fourth proportional to 470,823.24, 649,743.46 and 255,964.12 is: 353,234.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,823.24 : 649,743.46 = 255,964.12 : x
  2. Step 2: Convert to fraction form
    470,823.24/649,743.46 = 255,964.12/x
  3. Step 3: Cross multiply
    470,823.24x = 649,743.46 × 255,964.12
  4. Step 4: Simplify right side
    470,823.24x = 166,311,012,964.66
  5. Step 5: Solve for x
    x = 166,311,012,964.66/470,823.24
  6. Step 6: Final answer
    x = 353,234.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.