Home / 617,812.20-926,631.90-197,130.60

Finding the Fourth Proportional to 617,812.20, 926,631.90 and 197,130.60

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Solution

The fourth proportional to 617,812.20, 926,631.90 and 197,130.60 is: 295,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,812.20 : 926,631.90 = 197,130.60 : x
  2. Step 2: Convert to fraction form
    617,812.20/926,631.90 = 197,130.60/x
  3. Step 3: Cross multiply
    617,812.20x = 926,631.90 × 197,130.60
  4. Step 4: Simplify right side
    617,812.20x = 182,667,502,426.14
  5. Step 5: Solve for x
    x = 182,667,502,426.14/617,812.20
  6. Step 6: Final answer
    x = 295,668.33

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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.