Home / 1,258,936.77-1,888,963.32-659,755.47

Finding the Fourth Proportional to 1,258,936.77, 1,888,963.32 and 659,755.47

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Solution

The fourth proportional to 1,258,936.77, 1,888,963.32 and 659,755.47 is: 989,925.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,936.77 : 1,888,963.32 = 659,755.47 : x
  2. Step 2: Convert to fraction form
    1,258,936.77/1,888,963.32 = 659,755.47/x
  3. Step 3: Cross multiply
    1,258,936.77x = 1,888,963.32 × 659,755.47
  4. Step 4: Simplify right side
    1,258,936.77x = 1,246,253,882,999.36
  5. Step 5: Solve for x
    x = 1,246,253,882,999.36/1,258,936.77
  6. Step 6: Final answer
    x = 989,925.72

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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.