Home / 1,227,920.43-1,842,129.77-386,276.43

Finding the Fourth Proportional to 1,227,920.43, 1,842,129.77 and 386,276.43

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Solution

The fourth proportional to 1,227,920.43, 1,842,129.77 and 386,276.43 is: 579,493.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,920.43 : 1,842,129.77 = 386,276.43 : x
  2. Step 2: Convert to fraction form
    1,227,920.43/1,842,129.77 = 386,276.43/x
  3. Step 3: Cross multiply
    1,227,920.43x = 1,842,129.77 × 386,276.43
  4. Step 4: Simplify right side
    1,227,920.43x = 711,571,309,220.94
  5. Step 5: Solve for x
    x = 711,571,309,220.94/1,227,920.43
  6. Step 6: Final answer
    x = 579,493.01

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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.