Home / 958,288.92-1,322,415.53-528,559.82

Finding the Fourth Proportional to 958,288.92, 1,322,415.53 and 528,559.82

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Solution

The fourth proportional to 958,288.92, 1,322,415.53 and 528,559.82 is: 729,399.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,288.92 : 1,322,415.53 = 528,559.82 : x
  2. Step 2: Convert to fraction form
    958,288.92/1,322,415.53 = 528,559.82/x
  3. Step 3: Cross multiply
    958,288.92x = 1,322,415.53 × 528,559.82
  4. Step 4: Simplify right side
    958,288.92x = 698,975,711,859.21
  5. Step 5: Solve for x
    x = 698,975,711,859.21/958,288.92
  6. Step 6: Final answer
    x = 729,399.77

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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.