Home / 416,289.41-574,479.38-225,302.80

Finding the Fourth Proportional to 416,289.41, 574,479.38 and 225,302.80

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Solution

The fourth proportional to 416,289.41, 574,479.38 and 225,302.80 is: 310,917.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,289.41 : 574,479.38 = 225,302.80 : x
  2. Step 2: Convert to fraction form
    416,289.41/574,479.38 = 225,302.80/x
  3. Step 3: Cross multiply
    416,289.41x = 574,479.38 × 225,302.80
  4. Step 4: Simplify right side
    416,289.41x = 129,431,811,983.32
  5. Step 5: Solve for x
    x = 129,431,811,983.32/416,289.41
  6. Step 6: Final answer
    x = 310,917.86

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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.