Home / 426,853.80-589,053.06-235,863.09

Finding the Fourth Proportional to 426,853.80, 589,053.06 and 235,863.09

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Solution

The fourth proportional to 426,853.80, 589,053.06 and 235,863.09 is: 325,488.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,853.80 : 589,053.06 = 235,863.09 : x
  2. Step 2: Convert to fraction form
    426,853.80/589,053.06 = 235,863.09/x
  3. Step 3: Cross multiply
    426,853.80x = 589,053.06 × 235,863.09
  4. Step 4: Simplify right side
    426,853.80x = 138,935,874,905.56
  5. Step 5: Solve for x
    x = 138,935,874,905.56/426,853.80
  6. Step 6: Final answer
    x = 325,488.20

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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.