Home / 1,591,491.35-2,196,258.29-866,344.56

Finding the Fourth Proportional to 1,591,491.35, 2,196,258.29 and 866,344.56

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Solution

The fourth proportional to 1,591,491.35, 2,196,258.29 and 866,344.56 is: 1,195,555.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,491.35 : 2,196,258.29 = 866,344.56 : x
  2. Step 2: Convert to fraction form
    1,591,491.35/2,196,258.29 = 866,344.56/x
  3. Step 3: Cross multiply
    1,591,491.35x = 2,196,258.29 × 866,344.56
  4. Step 4: Simplify right side
    1,591,491.35x = 1,902,716,417,564.68
  5. Step 5: Solve for x
    x = 1,902,716,417,564.68/1,591,491.35
  6. Step 6: Final answer
    x = 1,195,555.62

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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.