Home / 467,775.46-645,696.12-276,788.44

Finding the Fourth Proportional to 467,775.46, 645,696.12 and 276,788.44

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Solution

The fourth proportional to 467,775.46, 645,696.12 and 276,788.44 is: 382,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,775.46 : 645,696.12 = 276,788.44 : x
  2. Step 2: Convert to fraction form
    467,775.46/645,696.12 = 276,788.44/x
  3. Step 3: Cross multiply
    467,775.46x = 645,696.12 × 276,788.44
  4. Step 4: Simplify right side
    467,775.46x = 178,721,221,768.85
  5. Step 5: Solve for x
    x = 178,721,221,768.85/467,775.46
  6. Step 6: Final answer
    x = 382,066.26

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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.