Home / 470,128.41-648,777.20-268,924.41

Finding the Fourth Proportional to 470,128.41, 648,777.20 and 268,924.41

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Solution

The fourth proportional to 470,128.41, 648,777.20 and 268,924.41 is: 371,115.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,128.41 : 648,777.20 = 268,924.41 : x
  2. Step 2: Convert to fraction form
    470,128.41/648,777.20 = 268,924.41/x
  3. Step 3: Cross multiply
    470,128.41x = 648,777.20 × 268,924.41
  4. Step 4: Simplify right side
    470,128.41x = 174,472,023,970.85
  5. Step 5: Solve for x
    x = 174,472,023,970.85/470,128.41
  6. Step 6: Final answer
    x = 371,115.68

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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.