Home / 418,912.24-578,111.07-227,937.91

Finding the Fourth Proportional to 418,912.24, 578,111.07 and 227,937.91

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Solution

The fourth proportional to 418,912.24, 578,111.07 and 227,937.91 is: 314,560.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,912.24 : 578,111.07 = 227,937.91 : x
  2. Step 2: Convert to fraction form
    418,912.24/578,111.07 = 227,937.91/x
  3. Step 3: Cross multiply
    418,912.24x = 578,111.07 × 227,937.91
  4. Step 4: Simplify right side
    418,912.24x = 131,773,429,043.66
  5. Step 5: Solve for x
    x = 131,773,429,043.66/418,912.24
  6. Step 6: Final answer
    x = 314,560.94

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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.