Home / 416,619.20-574,576.80-325,834.40

Finding the Fourth Proportional to 416,619.20, 574,576.80 and 325,834.40

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Solution

The fourth proportional to 416,619.20, 574,576.80 and 325,834.40 is: 449,371.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,619.20 : 574,576.80 = 325,834.40 : x
  2. Step 2: Convert to fraction form
    416,619.20/574,576.80 = 325,834.40/x
  3. Step 3: Cross multiply
    416,619.20x = 574,576.80 × 325,834.40
  4. Step 4: Simplify right side
    416,619.20x = 187,216,886,881.92
  5. Step 5: Solve for x
    x = 187,216,886,881.92/416,619.20
  6. Step 6: Final answer
    x = 449,371.72

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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.