Home / 530,493.72-795,449.76-210,321.24

Finding the Fourth Proportional to 530,493.72, 795,449.76 and 210,321.24

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Solution

The fourth proportional to 530,493.72, 795,449.76 and 210,321.24 is: 315,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,493.72 : 795,449.76 = 210,321.24 : x
  2. Step 2: Convert to fraction form
    530,493.72/795,449.76 = 210,321.24/x
  3. Step 3: Cross multiply
    530,493.72x = 795,449.76 × 210,321.24
  4. Step 4: Simplify right side
    530,493.72x = 167,299,979,880.90
  5. Step 5: Solve for x
    x = 167,299,979,880.90/530,493.72
  6. Step 6: Final answer
    x = 315,366.56

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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.