Home / 335,812.40-503,718.60-272,826.80

Finding the Fourth Proportional to 335,812.40, 503,718.60 and 272,826.80

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Solution

The fourth proportional to 335,812.40, 503,718.60 and 272,826.80 is: 409,240.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,812.40 : 503,718.60 = 272,826.80 : x
  2. Step 2: Convert to fraction form
    335,812.40/503,718.60 = 272,826.80/x
  3. Step 3: Cross multiply
    335,812.40x = 503,718.60 × 272,826.80
  4. Step 4: Simplify right side
    335,812.40x = 137,427,933,738.48
  5. Step 5: Solve for x
    x = 137,427,933,738.48/335,812.40
  6. Step 6: Final answer
    x = 409,240.20

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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.