Home / 958,383.78-1,322,573.31-528,657.72

Finding the Fourth Proportional to 958,383.78, 1,322,573.31 and 528,657.72

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Solution

The fourth proportional to 958,383.78, 1,322,573.31 and 528,657.72 is: 729,549.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,383.78 : 1,322,573.31 = 528,657.72 : x
  2. Step 2: Convert to fraction form
    958,383.78/1,322,573.31 = 528,657.72/x
  3. Step 3: Cross multiply
    958,383.78x = 1,322,573.31 × 528,657.72
  4. Step 4: Simplify right side
    958,383.78x = 699,188,590,597.45
  5. Step 5: Solve for x
    x = 699,188,590,597.45/958,383.78
  6. Step 6: Final answer
    x = 729,549.69

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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.