Home / 516,579.44-773,425.74-279,071.24

Finding the Fourth Proportional to 516,579.44, 773,425.74 and 279,071.24

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Solution

The fourth proportional to 516,579.44, 773,425.74 and 279,071.24 is: 417,827.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,579.44 : 773,425.74 = 279,071.24 : x
  2. Step 2: Convert to fraction form
    516,579.44/773,425.74 = 279,071.24/x
  3. Step 3: Cross multiply
    516,579.44x = 773,425.74 × 279,071.24
  4. Step 4: Simplify right side
    516,579.44x = 215,840,880,309.72
  5. Step 5: Solve for x
    x = 215,840,880,309.72/516,579.44
  6. Step 6: Final answer
    x = 417,827.08

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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.