Home / 418,568.37-577,620.29-227,581.76

Finding the Fourth Proportional to 418,568.37, 577,620.29 and 227,581.76

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Solution

The fourth proportional to 418,568.37, 577,620.29 and 227,581.76 is: 314,060.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,568.37 : 577,620.29 = 227,581.76 : x
  2. Step 2: Convert to fraction form
    418,568.37/577,620.29 = 227,581.76/x
  3. Step 3: Cross multiply
    418,568.37x = 577,620.29 × 227,581.76
  4. Step 4: Simplify right side
    418,568.37x = 131,455,842,942.77
  5. Step 5: Solve for x
    x = 131,455,842,942.77/418,568.37
  6. Step 6: Final answer
    x = 314,060.62

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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.