Home / 413,619.60-619,773.30-273,214.20

Finding the Fourth Proportional to 413,619.60, 619,773.30 and 273,214.20

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Solution

The fourth proportional to 413,619.60, 619,773.30 and 273,214.20 is: 409,387.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,619.60 : 619,773.30 = 273,214.20 : x
  2. Step 2: Convert to fraction form
    413,619.60/619,773.30 = 273,214.20/x
  3. Step 3: Cross multiply
    413,619.60x = 619,773.30 × 273,214.20
  4. Step 4: Simplify right side
    413,619.60x = 169,330,866,340.86
  5. Step 5: Solve for x
    x = 169,330,866,340.86/413,619.60
  6. Step 6: Final answer
    x = 409,387.92

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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.