Home / 411,934.80-617,441.40-175,237.20

Finding the Fourth Proportional to 411,934.80, 617,441.40 and 175,237.20

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Solution

The fourth proportional to 411,934.80, 617,441.40 and 175,237.20 is: 262,659.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,934.80 : 617,441.40 = 175,237.20 : x
  2. Step 2: Convert to fraction form
    411,934.80/617,441.40 = 175,237.20/x
  3. Step 3: Cross multiply
    411,934.80x = 617,441.40 × 175,237.20
  4. Step 4: Simplify right side
    411,934.80x = 108,198,702,100.08
  5. Step 5: Solve for x
    x = 108,198,702,100.08/411,934.80
  6. Step 6: Final answer
    x = 262,659.78

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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.