Home / 418,898.16-578,081.88-227,912.85

Finding the Fourth Proportional to 418,898.16, 578,081.88 and 227,912.85

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Solution

The fourth proportional to 418,898.16, 578,081.88 and 227,912.85 is: 314,521.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,898.16 : 578,081.88 = 227,912.85 : x
  2. Step 2: Convert to fraction form
    418,898.16/578,081.88 = 227,912.85/x
  3. Step 3: Cross multiply
    418,898.16x = 578,081.88 × 227,912.85
  4. Step 4: Simplify right side
    418,898.16x = 131,752,288,804.16
  5. Step 5: Solve for x
    x = 131,752,288,804.16/418,898.16
  6. Step 6: Final answer
    x = 314,521.05

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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.