Home / 325,934.40-488,901.60-269,947.20

Finding the Fourth Proportional to 325,934.40, 488,901.60 and 269,947.20

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Solution

The fourth proportional to 325,934.40, 488,901.60 and 269,947.20 is: 404,920.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,934.40 : 488,901.60 = 269,947.20 : x
  2. Step 2: Convert to fraction form
    325,934.40/488,901.60 = 269,947.20/x
  3. Step 3: Cross multiply
    325,934.40x = 488,901.60 × 269,947.20
  4. Step 4: Simplify right side
    325,934.40x = 131,977,617,995.52
  5. Step 5: Solve for x
    x = 131,977,617,995.52/325,934.40
  6. Step 6: Final answer
    x = 404,920.80

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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.