Home / 470,899.37-649,823.22-256,039.61

Finding the Fourth Proportional to 470,899.37, 649,823.22 and 256,039.61

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Solution

The fourth proportional to 470,899.37, 649,823.22 and 256,039.61 is: 353,324.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,899.37 : 649,823.22 = 256,039.61 : x
  2. Step 2: Convert to fraction form
    470,899.37/649,823.22 = 256,039.61/x
  3. Step 3: Cross multiply
    470,899.37x = 649,823.22 × 256,039.61
  4. Step 4: Simplify right side
    470,899.37x = 166,380,480,568.63
  5. Step 5: Solve for x
    x = 166,380,480,568.63/470,899.37
  6. Step 6: Final answer
    x = 353,324.92

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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.