Home / 399,023.48-550,664.51-226,966.19

Finding the Fourth Proportional to 399,023.48, 550,664.51 and 226,966.19

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Solution

The fourth proportional to 399,023.48, 550,664.51 and 226,966.19 is: 313,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,023.48 : 550,664.51 = 226,966.19 : x
  2. Step 2: Convert to fraction form
    399,023.48/550,664.51 = 226,966.19/x
  3. Step 3: Cross multiply
    399,023.48x = 550,664.51 × 226,966.19
  4. Step 4: Simplify right side
    399,023.48x = 124,982,221,914.76
  5. Step 5: Solve for x
    x = 124,982,221,914.76/399,023.48
  6. Step 6: Final answer
    x = 313,220.22

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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.