Home / 418,270.51-577,166.45-236,943.61

Finding the Fourth Proportional to 418,270.51, 577,166.45 and 236,943.61

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Solution

The fourth proportional to 418,270.51, 577,166.45 and 236,943.61 is: 326,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,270.51 : 577,166.45 = 236,943.61 : x
  2. Step 2: Convert to fraction form
    418,270.51/577,166.45 = 236,943.61/x
  3. Step 3: Cross multiply
    418,270.51x = 577,166.45 × 236,943.61
  4. Step 4: Simplify right side
    418,270.51x = 136,755,901,383.33
  5. Step 5: Solve for x
    x = 136,755,901,383.33/418,270.51
  6. Step 6: Final answer
    x = 326,955.64

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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.