Home / 1,620,800.64-2,236,839.57-895,789.89

Finding the Fourth Proportional to 1,620,800.64, 2,236,839.57 and 895,789.89

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Solution

The fourth proportional to 1,620,800.64, 2,236,839.57 and 895,789.89 is: 1,236,264.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,800.64 : 2,236,839.57 = 895,789.89 : x
  2. Step 2: Convert to fraction form
    1,620,800.64/2,236,839.57 = 895,789.89/x
  3. Step 3: Cross multiply
    1,620,800.64x = 2,236,839.57 × 895,789.89
  4. Step 4: Simplify right side
    1,620,800.64x = 2,003,738,272,357.95
  5. Step 5: Solve for x
    x = 2,003,738,272,357.95/1,620,800.64
  6. Step 6: Final answer
    x = 1,236,264.49

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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.