Home / 470,020.26-648,559.53-268,777.38

Finding the Fourth Proportional to 470,020.26, 648,559.53 and 268,777.38

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Solution

The fourth proportional to 470,020.26, 648,559.53 and 268,777.38 is: 370,873.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,020.26 : 648,559.53 = 268,777.38 : x
  2. Step 2: Convert to fraction form
    470,020.26/648,559.53 = 268,777.38/x
  3. Step 3: Cross multiply
    470,020.26x = 648,559.53 × 268,777.38
  4. Step 4: Simplify right side
    470,020.26x = 174,318,131,247.43
  5. Step 5: Solve for x
    x = 174,318,131,247.43/470,020.26
  6. Step 6: Final answer
    x = 370,873.65

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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.