Home / 943,448.69-1,421,474.78-853,606.57

Finding the Fourth Proportional to 943,448.69, 1,421,474.78 and 853,606.57

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Solution

The fourth proportional to 943,448.69, 1,421,474.78 and 853,606.57 is: 1,286,111.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,448.69 : 1,421,474.78 = 853,606.57 : x
  2. Step 2: Convert to fraction form
    943,448.69/1,421,474.78 = 853,606.57/x
  3. Step 3: Cross multiply
    943,448.69x = 1,421,474.78 × 853,606.57
  4. Step 4: Simplify right side
    943,448.69x = 1,213,380,211,297.30
  5. Step 5: Solve for x
    x = 1,213,380,211,297.30/943,448.69
  6. Step 6: Final answer
    x = 1,286,111.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.