Home / 958,343.84-1,322,588.76-528,661.52

Finding the Fourth Proportional to 958,343.84, 1,322,588.76 and 528,661.52

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Solution

The fourth proportional to 958,343.84, 1,322,588.76 and 528,661.52 is: 729,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,343.84 : 1,322,588.76 = 528,661.52 : x
  2. Step 2: Convert to fraction form
    958,343.84/1,322,588.76 = 528,661.52/x
  3. Step 3: Cross multiply
    958,343.84x = 1,322,588.76 × 528,661.52
  4. Step 4: Simplify right side
    958,343.84x = 699,201,784,196.52
  5. Step 5: Solve for x
    x = 699,201,784,196.52/958,343.84
  6. Step 6: Final answer
    x = 729,593.86

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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.