Home / 901,103.64-1,352,121.41-396,019.02

Finding the Fourth Proportional to 901,103.64, 1,352,121.41 and 396,019.02

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Solution

The fourth proportional to 901,103.64, 1,352,121.41 and 396,019.02 is: 594,233.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,103.64 : 1,352,121.41 = 396,019.02 : x
  2. Step 2: Convert to fraction form
    901,103.64/1,352,121.41 = 396,019.02/x
  3. Step 3: Cross multiply
    901,103.64x = 1,352,121.41 × 396,019.02
  4. Step 4: Simplify right side
    901,103.64x = 535,465,793,729.12
  5. Step 5: Solve for x
    x = 535,465,793,729.12/901,103.64
  6. Step 6: Final answer
    x = 594,233.30

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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.