Home / 1,836,489.25-2,753,156.17-638,255.89

Finding the Fourth Proportional to 1,836,489.25, 2,753,156.17 and 638,255.89

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Solution

The fourth proportional to 1,836,489.25, 2,753,156.17 and 638,255.89 is: 956,835.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836,489.25 : 2,753,156.17 = 638,255.89 : x
  2. Step 2: Convert to fraction form
    1,836,489.25/2,753,156.17 = 638,255.89/x
  3. Step 3: Cross multiply
    1,836,489.25x = 2,753,156.17 × 638,255.89
  4. Step 4: Simplify right side
    1,836,489.25x = 1,757,218,141,592.34
  5. Step 5: Solve for x
    x = 1,757,218,141,592.34/1,836,489.25
  6. Step 6: Final answer
    x = 956,835.52

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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.