Home / 522,567.30-783,767.04-143,399.48

Finding the Fourth Proportional to 522,567.30, 783,767.04 and 143,399.48

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Solution

The fourth proportional to 522,567.30, 783,767.04 and 143,399.48 is: 215,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,567.30 : 783,767.04 = 143,399.48 : x
  2. Step 2: Convert to fraction form
    522,567.30/783,767.04 = 143,399.48/x
  3. Step 3: Cross multiply
    522,567.30x = 783,767.04 × 143,399.48
  4. Step 4: Simplify right side
    522,567.30x = 112,391,787,936.56
  5. Step 5: Solve for x
    x = 112,391,787,936.56/522,567.30
  6. Step 6: Final answer
    x = 215,076.20

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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.