Home / 958,386.28-1,322,576.76-528,660.22

Finding the Fourth Proportional to 958,386.28, 1,322,576.76 and 528,660.22

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Solution

The fourth proportional to 958,386.28, 1,322,576.76 and 528,660.22 is: 729,553.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,386.28 : 1,322,576.76 = 528,660.22 : x
  2. Step 2: Convert to fraction form
    958,386.28/1,322,576.76 = 528,660.22/x
  3. Step 3: Cross multiply
    958,386.28x = 1,322,576.76 × 528,660.22
  4. Step 4: Simplify right side
    958,386.28x = 699,193,720,908.49
  5. Step 5: Solve for x
    x = 699,193,720,908.49/958,386.28
  6. Step 6: Final answer
    x = 729,553.14

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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.