Home / 1,345,651.92-2,018,134.04-398,801.61

Finding the Fourth Proportional to 1,345,651.92, 2,018,134.04 and 398,801.61

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Solution

The fourth proportional to 1,345,651.92, 2,018,134.04 and 398,801.61 is: 598,100.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,651.92 : 2,018,134.04 = 398,801.61 : x
  2. Step 2: Convert to fraction form
    1,345,651.92/2,018,134.04 = 398,801.61/x
  3. Step 3: Cross multiply
    1,345,651.92x = 2,018,134.04 × 398,801.61
  4. Step 4: Simplify right side
    1,345,651.92x = 804,835,102,353.80
  5. Step 5: Solve for x
    x = 804,835,102,353.80/1,345,651.92
  6. Step 6: Final answer
    x = 598,100.51

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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.