Home / 958,553.40-1,322,803.78-528,834.52

Finding the Fourth Proportional to 958,553.40, 1,322,803.78 and 528,834.52

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Solution

The fourth proportional to 958,553.40, 1,322,803.78 and 528,834.52 is: 729,791.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,553.40 : 1,322,803.78 = 528,834.52 : x
  2. Step 2: Convert to fraction form
    958,553.40/1,322,803.78 = 528,834.52/x
  3. Step 3: Cross multiply
    958,553.40x = 1,322,803.78 × 528,834.52
  4. Step 4: Simplify right side
    958,553.40x = 699,544,302,050.49
  5. Step 5: Solve for x
    x = 699,544,302,050.49/958,553.40
  6. Step 6: Final answer
    x = 729,791.69

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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.