Home / 619,680.16-929,389.02-198,857.62

Finding the Fourth Proportional to 619,680.16, 929,389.02 and 198,857.62

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Solution

The fourth proportional to 619,680.16, 929,389.02 and 198,857.62 is: 298,244.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,680.16 : 929,389.02 = 198,857.62 : x
  2. Step 2: Convert to fraction form
    619,680.16/929,389.02 = 198,857.62/x
  3. Step 3: Cross multiply
    619,680.16x = 929,389.02 × 198,857.62
  4. Step 4: Simplify right side
    619,680.16x = 184,816,088,571.33
  5. Step 5: Solve for x
    x = 184,816,088,571.33/619,680.16
  6. Step 6: Final answer
    x = 298,244.32

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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.