Home / 617,839.20-926,672.40-197,157.60

Finding the Fourth Proportional to 617,839.20, 926,672.40 and 197,157.60

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Solution

The fourth proportional to 617,839.20, 926,672.40 and 197,157.60 is: 295,708.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,839.20 : 926,672.40 = 197,157.60 : x
  2. Step 2: Convert to fraction form
    617,839.20/926,672.40 = 197,157.60/x
  3. Step 3: Cross multiply
    617,839.20x = 926,672.40 × 197,157.60
  4. Step 4: Simplify right side
    617,839.20x = 182,700,506,370.24
  5. Step 5: Solve for x
    x = 182,700,506,370.24/617,839.20
  6. Step 6: Final answer
    x = 295,708.83

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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.