Home / 1,591,491.72-2,196,258.80-866,344.93

Finding the Fourth Proportional to 1,591,491.72, 2,196,258.80 and 866,344.93

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Solution

The fourth proportional to 1,591,491.72, 2,196,258.80 and 866,344.93 is: 1,195,556.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,491.72 : 2,196,258.80 = 866,344.93 : x
  2. Step 2: Convert to fraction form
    1,591,491.72/2,196,258.80 = 866,344.93/x
  3. Step 3: Cross multiply
    1,591,491.72x = 2,196,258.80 × 866,344.93
  4. Step 4: Simplify right side
    1,591,491.72x = 1,902,717,676,347.88
  5. Step 5: Solve for x
    x = 1,902,717,676,347.88/1,591,491.72
  6. Step 6: Final answer
    x = 1,195,556.13

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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.