Home / 527,458.75-791,319.35-153,481.75

Finding the Fourth Proportional to 527,458.75, 791,319.35 and 153,481.75

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Solution

The fourth proportional to 527,458.75, 791,319.35 and 153,481.75 is: 230,260.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,458.75 : 791,319.35 = 153,481.75 : x
  2. Step 2: Convert to fraction form
    527,458.75/791,319.35 = 153,481.75/x
  3. Step 3: Cross multiply
    527,458.75x = 791,319.35 × 153,481.75
  4. Step 4: Simplify right side
    527,458.75x = 121,453,078,646.86
  5. Step 5: Solve for x
    x = 121,453,078,646.86/527,458.75
  6. Step 6: Final answer
    x = 230,260.81

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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.