Home / 417,971.64-576,836.46-236,715.24

Finding the Fourth Proportional to 417,971.64, 576,836.46 and 236,715.24

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Solution

The fourth proportional to 417,971.64, 576,836.46 and 236,715.24 is: 326,687.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,971.64 : 576,836.46 = 236,715.24 : x
  2. Step 2: Convert to fraction form
    417,971.64/576,836.46 = 236,715.24/x
  3. Step 3: Cross multiply
    417,971.64x = 576,836.46 × 236,715.24
  4. Step 4: Simplify right side
    417,971.64x = 136,545,981,069.65
  5. Step 5: Solve for x
    x = 136,545,981,069.65/417,971.64
  6. Step 6: Final answer
    x = 326,687.19

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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.