Home / 1,147,620.92-1,721,123.83-348,687.95

Finding the Fourth Proportional to 1,147,620.92, 1,721,123.83 and 348,687.95

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Solution

The fourth proportional to 1,147,620.92, 1,721,123.83 and 348,687.95 is: 522,938.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,620.92 : 1,721,123.83 = 348,687.95 : x
  2. Step 2: Convert to fraction form
    1,147,620.92/1,721,123.83 = 348,687.95/x
  3. Step 3: Cross multiply
    1,147,620.92x = 1,721,123.83 × 348,687.95
  4. Step 4: Simplify right side
    1,147,620.92x = 600,135,139,978.85
  5. Step 5: Solve for x
    x = 600,135,139,978.85/1,147,620.92
  6. Step 6: Final answer
    x = 522,938.48

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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.