Home / 392,384.40-541,485.28-231,246.24

Finding the Fourth Proportional to 392,384.40, 541,485.28 and 231,246.24

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Solution

The fourth proportional to 392,384.40, 541,485.28 and 231,246.24 is: 319,116.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,384.40 : 541,485.28 = 231,246.24 : x
  2. Step 2: Convert to fraction form
    392,384.40/541,485.28 = 231,246.24/x
  3. Step 3: Cross multiply
    392,384.40x = 541,485.28 × 231,246.24
  4. Step 4: Simplify right side
    392,384.40x = 125,216,435,015.35
  5. Step 5: Solve for x
    x = 125,216,435,015.35/392,384.40
  6. Step 6: Final answer
    x = 319,116.75

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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.