Home / 1,588,161.77-2,191,661.57-863,007.76

Finding the Fourth Proportional to 1,588,161.77, 2,191,661.57 and 863,007.76

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Solution

The fourth proportional to 1,588,161.77, 2,191,661.57 and 863,007.76 is: 1,190,949.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,161.77 : 2,191,661.57 = 863,007.76 : x
  2. Step 2: Convert to fraction form
    1,588,161.77/2,191,661.57 = 863,007.76/x
  3. Step 3: Cross multiply
    1,588,161.77x = 2,191,661.57 × 863,007.76
  4. Step 4: Simplify right side
    1,588,161.77x = 1,891,420,926,930.44
  5. Step 5: Solve for x
    x = 1,891,420,926,930.44/1,588,161.77
  6. Step 6: Final answer
    x = 1,190,949.79

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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.