Home / 387,023.27-580,571.55-150,384.20

Finding the Fourth Proportional to 387,023.27, 580,571.55 and 150,384.20

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Solution

The fourth proportional to 387,023.27, 580,571.55 and 150,384.20 is: 225,590.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,023.27 : 580,571.55 = 150,384.20 : x
  2. Step 2: Convert to fraction form
    387,023.27/580,571.55 = 150,384.20/x
  3. Step 3: Cross multiply
    387,023.27x = 580,571.55 × 150,384.20
  4. Step 4: Simplify right side
    387,023.27x = 87,308,785,186.65
  5. Step 5: Solve for x
    x = 87,308,785,186.65/387,023.27
  6. Step 6: Final answer
    x = 225,590.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.