Home / 340,867.38-471,247.29-255,836.82

Finding the Fourth Proportional to 340,867.38, 471,247.29 and 255,836.82

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Solution

The fourth proportional to 340,867.38, 471,247.29 and 255,836.82 is: 353,693.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,867.38 : 471,247.29 = 255,836.82 : x
  2. Step 2: Convert to fraction form
    340,867.38/471,247.29 = 255,836.82/x
  3. Step 3: Cross multiply
    340,867.38x = 471,247.29 × 255,836.82
  4. Step 4: Simplify right side
    340,867.38x = 120,562,408,107.22
  5. Step 5: Solve for x
    x = 120,562,408,107.22/340,867.38
  6. Step 6: Final answer
    x = 353,693.01

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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.