Home / 1,227,921.43-1,842,131.27-386,277.43

Finding the Fourth Proportional to 1,227,921.43, 1,842,131.27 and 386,277.43

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Solution

The fourth proportional to 1,227,921.43, 1,842,131.27 and 386,277.43 is: 579,494.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,921.43 : 1,842,131.27 = 386,277.43 : x
  2. Step 2: Convert to fraction form
    1,227,921.43/1,842,131.27 = 386,277.43/x
  3. Step 3: Cross multiply
    1,227,921.43x = 1,842,131.27 × 386,277.43
  4. Step 4: Simplify right side
    1,227,921.43x = 711,573,732,698.24
  5. Step 5: Solve for x
    x = 711,573,732,698.24/1,227,921.43
  6. Step 6: Final answer
    x = 579,494.51

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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.