Home / 1,055,272.38-1,582,576.25-345,134.67

Finding the Fourth Proportional to 1,055,272.38, 1,582,576.25 and 345,134.67

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Solution

The fourth proportional to 1,055,272.38, 1,582,576.25 and 345,134.67 is: 517,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,272.38 : 1,582,576.25 = 345,134.67 : x
  2. Step 2: Convert to fraction form
    1,055,272.38/1,582,576.25 = 345,134.67/x
  3. Step 3: Cross multiply
    1,055,272.38x = 1,582,576.25 × 345,134.67
  4. Step 4: Simplify right side
    1,055,272.38x = 546,201,930,067.91
  5. Step 5: Solve for x
    x = 546,201,930,067.91/1,055,272.38
  6. Step 6: Final answer
    x = 517,593.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.