Home / 1,588,161.13-2,191,660.68-863,007.12

Finding the Fourth Proportional to 1,588,161.13, 2,191,660.68 and 863,007.12

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Solution

The fourth proportional to 1,588,161.13, 2,191,660.68 and 863,007.12 is: 1,190,948.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,161.13 : 2,191,660.68 = 863,007.12 : x
  2. Step 2: Convert to fraction form
    1,588,161.13/2,191,660.68 = 863,007.12/x
  3. Step 3: Cross multiply
    1,588,161.13x = 2,191,660.68 × 863,007.12
  4. Step 4: Simplify right side
    1,588,161.13x = 1,891,418,756,190.70
  5. Step 5: Solve for x
    x = 1,891,418,756,190.70/1,588,161.13
  6. Step 6: Final answer
    x = 1,190,948.91

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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.