Home / 1,532,620.22-2,115,015.96-853,556.72

Finding the Fourth Proportional to 1,532,620.22, 2,115,015.96 and 853,556.72

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Solution

The fourth proportional to 1,532,620.22, 2,115,015.96 and 853,556.72 is: 1,177,908.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,620.22 : 2,115,015.96 = 853,556.72 : x
  2. Step 2: Convert to fraction form
    1,532,620.22/2,115,015.96 = 853,556.72/x
  3. Step 3: Cross multiply
    1,532,620.22x = 2,115,015.96 × 853,556.72
  4. Step 4: Simplify right side
    1,532,620.22x = 1,805,286,074,990.17
  5. Step 5: Solve for x
    x = 1,805,286,074,990.17/1,532,620.22
  6. Step 6: Final answer
    x = 1,177,908.30

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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.