Home / 1,449,956.19-2,173,736.79-639,763.77

Finding the Fourth Proportional to 1,449,956.19, 2,173,736.79 and 639,763.77

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Solution

The fourth proportional to 1,449,956.19, 2,173,736.79 and 639,763.77 is: 959,117.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,956.19 : 2,173,736.79 = 639,763.77 : x
  2. Step 2: Convert to fraction form
    1,449,956.19/2,173,736.79 = 639,763.77/x
  3. Step 3: Cross multiply
    1,449,956.19x = 2,173,736.79 × 639,763.77
  4. Step 4: Simplify right side
    1,449,956.19x = 1,390,678,043,758.10
  5. Step 5: Solve for x
    x = 1,390,678,043,758.10/1,449,956.19
  6. Step 6: Final answer
    x = 959,117.28

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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.