Home / 624,664.20-862,026.30-338,181.96

Finding the Fourth Proportional to 624,664.20, 862,026.30 and 338,181.96

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Solution

The fourth proportional to 624,664.20, 862,026.30 and 338,181.96 is: 466,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,664.20 : 862,026.30 = 338,181.96 : x
  2. Step 2: Convert to fraction form
    624,664.20/862,026.30 = 338,181.96/x
  3. Step 3: Cross multiply
    624,664.20x = 862,026.30 × 338,181.96
  4. Step 4: Simplify right side
    624,664.20x = 291,521,743,705.55
  5. Step 5: Solve for x
    x = 291,521,743,705.55/624,664.20
  6. Step 6: Final answer
    x = 466,685.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.