Home / 675,438.35-1,013,157.32-254,615.81

Finding the Fourth Proportional to 675,438.35, 1,013,157.32 and 254,615.81

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Solution

The fourth proportional to 675,438.35, 1,013,157.32 and 254,615.81 is: 381,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,438.35 : 1,013,157.32 = 254,615.81 : x
  2. Step 2: Convert to fraction form
    675,438.35/1,013,157.32 = 254,615.81/x
  3. Step 3: Cross multiply
    675,438.35x = 1,013,157.32 × 254,615.81
  4. Step 4: Simplify right side
    675,438.35x = 257,965,865,350.36
  5. Step 5: Solve for x
    x = 257,965,865,350.36/675,438.35
  6. Step 6: Final answer
    x = 381,923.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.