Home / 516,264.12-774,279.36-196,301.88

Finding the Fourth Proportional to 516,264.12, 774,279.36 and 196,301.88

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Solution

The fourth proportional to 516,264.12, 774,279.36 and 196,301.88 is: 294,408.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,264.12 : 774,279.36 = 196,301.88 : x
  2. Step 2: Convert to fraction form
    516,264.12/774,279.36 = 196,301.88/x
  3. Step 3: Cross multiply
    516,264.12x = 774,279.36 × 196,301.88
  4. Step 4: Simplify right side
    516,264.12x = 151,992,494,013.20
  5. Step 5: Solve for x
    x = 151,992,494,013.20/516,264.12
  6. Step 6: Final answer
    x = 294,408.40

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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.