Home / 538,739.52-743,426.28-297,008.88

Finding the Fourth Proportional to 538,739.52, 743,426.28 and 297,008.88

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Solution

The fourth proportional to 538,739.52, 743,426.28 and 297,008.88 is: 409,853.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,739.52 : 743,426.28 = 297,008.88 : x
  2. Step 2: Convert to fraction form
    538,739.52/743,426.28 = 297,008.88/x
  3. Step 3: Cross multiply
    538,739.52x = 743,426.28 × 297,008.88
  4. Step 4: Simplify right side
    538,739.52x = 220,804,206,785.37
  5. Step 5: Solve for x
    x = 220,804,206,785.37/538,739.52
  6. Step 6: Final answer
    x = 409,853.37

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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.