Home / 418,626.23-577,697.60-227,637.95

Finding the Fourth Proportional to 418,626.23, 577,697.60 and 227,637.95

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Solution

The fourth proportional to 418,626.23, 577,697.60 and 227,637.95 is: 314,136.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,626.23 : 577,697.60 = 227,637.95 : x
  2. Step 2: Convert to fraction form
    418,626.23/577,697.60 = 227,637.95/x
  3. Step 3: Cross multiply
    418,626.23x = 577,697.60 × 227,637.95
  4. Step 4: Simplify right side
    418,626.23x = 131,505,897,383.92
  5. Step 5: Solve for x
    x = 131,505,897,383.92/418,626.23
  6. Step 6: Final answer
    x = 314,136.78

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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.