Home / 665,251.80-997,683.30-238,738.20

Finding the Fourth Proportional to 665,251.80, 997,683.30 and 238,738.20

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Solution

The fourth proportional to 665,251.80, 997,683.30 and 238,738.20 is: 358,037.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,251.80 : 997,683.30 = 238,738.20 : x
  2. Step 2: Convert to fraction form
    665,251.80/997,683.30 = 238,738.20/x
  3. Step 3: Cross multiply
    665,251.80x = 997,683.30 × 238,738.20
  4. Step 4: Simplify right side
    665,251.80x = 238,185,115,212.06
  5. Step 5: Solve for x
    x = 238,185,115,212.06/665,251.80
  6. Step 6: Final answer
    x = 358,037.54

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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.