Home / 367,911.24-507,401.37-238,722.45

Finding the Fourth Proportional to 367,911.24, 507,401.37 and 238,722.45

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Solution

The fourth proportional to 367,911.24, 507,401.37 and 238,722.45 is: 329,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,911.24 : 507,401.37 = 238,722.45 : x
  2. Step 2: Convert to fraction form
    367,911.24/507,401.37 = 238,722.45/x
  3. Step 3: Cross multiply
    367,911.24x = 507,401.37 × 238,722.45
  4. Step 4: Simplify right side
    367,911.24x = 121,128,098,179.76
  5. Step 5: Solve for x
    x = 121,128,098,179.76/367,911.24
  6. Step 6: Final answer
    x = 329,231.85

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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.