Home / 613,188.14-919,821.11-192,480.62

Finding the Fourth Proportional to 613,188.14, 919,821.11 and 192,480.62

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Solution

The fourth proportional to 613,188.14, 919,821.11 and 192,480.62 is: 288,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,188.14 : 919,821.11 = 192,480.62 : x
  2. Step 2: Convert to fraction form
    613,188.14/919,821.11 = 192,480.62/x
  3. Step 3: Cross multiply
    613,188.14x = 919,821.11 × 192,480.62
  4. Step 4: Simplify right side
    613,188.14x = 177,047,731,980.38
  5. Step 5: Solve for x
    x = 177,047,731,980.38/613,188.14
  6. Step 6: Final answer
    x = 288,733.13

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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.