Home / 418,139.31-577,013.76-236,847.60

Finding the Fourth Proportional to 418,139.31, 577,013.76 and 236,847.60

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Solution

The fourth proportional to 418,139.31, 577,013.76 and 236,847.60 is: 326,839.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,139.31 : 577,013.76 = 236,847.60 : x
  2. Step 2: Convert to fraction form
    418,139.31/577,013.76 = 236,847.60/x
  3. Step 3: Cross multiply
    418,139.31x = 577,013.76 × 236,847.60
  4. Step 4: Simplify right side
    418,139.31x = 136,664,324,222.98
  5. Step 5: Solve for x
    x = 136,664,324,222.98/418,139.31
  6. Step 6: Final answer
    x = 326,839.22

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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.