Home / 416,620.20-574,578.18-325,835.40

Finding the Fourth Proportional to 416,620.20, 574,578.18 and 325,835.40

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Solution

The fourth proportional to 416,620.20, 574,578.18 and 325,835.40 is: 449,373.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,620.20 : 574,578.18 = 325,835.40 : x
  2. Step 2: Convert to fraction form
    416,620.20/574,578.18 = 325,835.40/x
  3. Step 3: Cross multiply
    416,620.20x = 574,578.18 × 325,835.40
  4. Step 4: Simplify right side
    416,620.20x = 187,217,911,111.57
  5. Step 5: Solve for x
    x = 187,217,911,111.57/416,620.20
  6. Step 6: Final answer
    x = 449,373.10

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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.