Home / 381,712.40-572,568.60-241,629.20

Finding the Fourth Proportional to 381,712.40, 572,568.60 and 241,629.20

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Solution

The fourth proportional to 381,712.40, 572,568.60 and 241,629.20 is: 362,443.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,712.40 : 572,568.60 = 241,629.20 : x
  2. Step 2: Convert to fraction form
    381,712.40/572,568.60 = 241,629.20/x
  3. Step 3: Cross multiply
    381,712.40x = 572,568.60 × 241,629.20
  4. Step 4: Simplify right side
    381,712.40x = 138,349,292,763.12
  5. Step 5: Solve for x
    x = 138,349,292,763.12/381,712.40
  6. Step 6: Final answer
    x = 362,443.80

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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.