Home / 419,582.19-579,003.29-238,270.17

Finding the Fourth Proportional to 419,582.19, 579,003.29 and 238,270.17

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Solution

The fourth proportional to 419,582.19, 579,003.29 and 238,270.17 is: 328,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,582.19 : 579,003.29 = 238,270.17 : x
  2. Step 2: Convert to fraction form
    419,582.19/579,003.29 = 238,270.17/x
  3. Step 3: Cross multiply
    419,582.19x = 579,003.29 × 238,270.17
  4. Step 4: Simplify right side
    419,582.19x = 137,959,214,212.28
  5. Step 5: Solve for x
    x = 137,959,214,212.28/419,582.19
  6. Step 6: Final answer
    x = 328,801.40

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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.