Home / 397,817.28-596,725.92-148,518.72

Finding the Fourth Proportional to 397,817.28, 596,725.92 and 148,518.72

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Solution

The fourth proportional to 397,817.28, 596,725.92 and 148,518.72 is: 222,778.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,817.28 : 596,725.92 = 148,518.72 : x
  2. Step 2: Convert to fraction form
    397,817.28/596,725.92 = 148,518.72/x
  3. Step 3: Cross multiply
    397,817.28x = 596,725.92 × 148,518.72
  4. Step 4: Simplify right side
    397,817.28x = 88,624,969,829.22
  5. Step 5: Solve for x
    x = 88,624,969,829.22/397,817.28
  6. Step 6: Final answer
    x = 222,778.08

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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.