Home / 336,190.40-503,605.20-209,441.60

Finding the Fourth Proportional to 336,190.40, 503,605.20 and 209,441.60

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Solution

The fourth proportional to 336,190.40, 503,605.20 and 209,441.60 is: 313,738.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,190.40 : 503,605.20 = 209,441.60 : x
  2. Step 2: Convert to fraction form
    336,190.40/503,605.20 = 209,441.60/x
  3. Step 3: Cross multiply
    336,190.40x = 503,605.20 × 209,441.60
  4. Step 4: Simplify right side
    336,190.40x = 105,475,878,856.32
  5. Step 5: Solve for x
    x = 105,475,878,856.32/336,190.40
  6. Step 6: Final answer
    x = 313,738.52

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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.