Home / 349,023.56-481,672.74-262,828.20

Finding the Fourth Proportional to 349,023.56, 481,672.74 and 262,828.20

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Solution

The fourth proportional to 349,023.56, 481,672.74 and 262,828.20 is: 362,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,023.56 : 481,672.74 = 262,828.20 : x
  2. Step 2: Convert to fraction form
    349,023.56/481,672.74 = 262,828.20/x
  3. Step 3: Cross multiply
    349,023.56x = 481,672.74 × 262,828.20
  4. Step 4: Simplify right side
    349,023.56x = 126,597,179,243.27
  5. Step 5: Solve for x
    x = 126,597,179,243.27/349,023.56
  6. Step 6: Final answer
    x = 362,718.15

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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.