Home / 417,827.23-576,608.40-236,534.51

Finding the Fourth Proportional to 417,827.23, 576,608.40 and 236,534.51

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Solution

The fourth proportional to 417,827.23, 576,608.40 and 236,534.51 is: 326,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,827.23 : 576,608.40 = 236,534.51 : x
  2. Step 2: Convert to fraction form
    417,827.23/576,608.40 = 236,534.51/x
  3. Step 3: Cross multiply
    417,827.23x = 576,608.40 × 236,534.51
  4. Step 4: Simplify right side
    417,827.23x = 136,387,786,797.41
  5. Step 5: Solve for x
    x = 136,387,786,797.41/417,827.23
  6. Step 6: Final answer
    x = 326,421.49

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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.