Home / 1,238,022.68-1,856,957.58-439,199

Finding the Fourth Proportional to 1,238,022.68, 1,856,957.58 and 439,199

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Solution

The fourth proportional to 1,238,022.68, 1,856,957.58 and 439,199 is: 658,771.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,022.68 : 1,856,957.58 = 439,199 : x
  2. Step 2: Convert to fraction form
    1,238,022.68/1,856,957.58 = 439,199/x
  3. Step 3: Cross multiply
    1,238,022.68x = 1,856,957.58 × 439,199
  4. Step 4: Simplify right side
    1,238,022.68x = 815,573,912,178.42
  5. Step 5: Solve for x
    x = 815,573,912,178.42/1,238,022.68
  6. Step 6: Final answer
    x = 658,771.38

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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.