Home / 417,828.23-576,609.78-236,535.51

Finding the Fourth Proportional to 417,828.23, 576,609.78 and 236,535.51

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Solution

The fourth proportional to 417,828.23, 576,609.78 and 236,535.51 is: 326,422.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,828.23 : 576,609.78 = 236,535.51 : x
  2. Step 2: Convert to fraction form
    417,828.23/576,609.78 = 236,535.51/x
  3. Step 3: Cross multiply
    417,828.23x = 576,609.78 × 236,535.51
  4. Step 4: Simplify right side
    417,828.23x = 136,388,688,383.29
  5. Step 5: Solve for x
    x = 136,388,688,383.29/417,828.23
  6. Step 6: Final answer
    x = 326,422.87

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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.