Home / 1,591,309.98-2,196,054.45-866,205

Finding the Fourth Proportional to 1,591,309.98, 2,196,054.45 and 866,205

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Solution

The fourth proportional to 1,591,309.98, 2,196,054.45 and 866,205 is: 1,195,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,309.98 : 2,196,054.45 = 866,205 : x
  2. Step 2: Convert to fraction form
    1,591,309.98/2,196,054.45 = 866,205/x
  3. Step 3: Cross multiply
    1,591,309.98x = 2,196,054.45 × 866,205
  4. Step 4: Simplify right side
    1,591,309.98x = 1,902,233,344,862.25
  5. Step 5: Solve for x
    x = 1,902,233,344,862.25/1,591,309.98
  6. Step 6: Final answer
    x = 1,195,388.31

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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.