Home / 470,128.53-648,777.38-268,924.53

Finding the Fourth Proportional to 470,128.53, 648,777.38 and 268,924.53

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Solution

The fourth proportional to 470,128.53, 648,777.38 and 268,924.53 is: 371,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,128.53 : 648,777.38 = 268,924.53 : x
  2. Step 2: Convert to fraction form
    470,128.53/648,777.38 = 268,924.53/x
  3. Step 3: Cross multiply
    470,128.53x = 648,777.38 × 268,924.53
  4. Step 4: Simplify right side
    470,128.53x = 174,472,152,268.45
  5. Step 5: Solve for x
    x = 174,472,152,268.45/470,128.53
  6. Step 6: Final answer
    x = 371,115.85

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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.