Home / 445,044.96-613,836.72-324,223.20

Finding the Fourth Proportional to 445,044.96, 613,836.72 and 324,223.20

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Solution

The fourth proportional to 445,044.96, 613,836.72 and 324,223.20 is: 447,191.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,044.96 : 613,836.72 = 324,223.20 : x
  2. Step 2: Convert to fraction form
    445,044.96/613,836.72 = 324,223.20/x
  3. Step 3: Cross multiply
    445,044.96x = 613,836.72 × 324,223.20
  4. Step 4: Simplify right side
    445,044.96x = 199,020,105,635.90
  5. Step 5: Solve for x
    x = 199,020,105,635.90/445,044.96
  6. Step 6: Final answer
    x = 447,191.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.