Home / 958,387.20-1,322,557.92-528,708.48

Finding the Fourth Proportional to 958,387.20, 1,322,557.92 and 528,708.48

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Solution

The fourth proportional to 958,387.20, 1,322,557.92 and 528,708.48 is: 729,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,387.20 : 1,322,557.92 = 528,708.48 : x
  2. Step 2: Convert to fraction form
    958,387.20/1,322,557.92 = 528,708.48/x
  3. Step 3: Cross multiply
    958,387.20x = 1,322,557.92 × 528,708.48
  4. Step 4: Simplify right side
    958,387.20x = 699,247,587,595.16
  5. Step 5: Solve for x
    x = 699,247,587,595.16/958,387.20
  6. Step 6: Final answer
    x = 729,608.65

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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.