Home / 960,891.13-1,325,977.72-531,143.58

Finding the Fourth Proportional to 960,891.13, 1,325,977.72 and 531,143.58

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Solution

The fourth proportional to 960,891.13, 1,325,977.72 and 531,143.58 is: 732,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    960,891.13 : 1,325,977.72 = 531,143.58 : x
  2. Step 2: Convert to fraction form
    960,891.13/1,325,977.72 = 531,143.58/x
  3. Step 3: Cross multiply
    960,891.13x = 1,325,977.72 × 531,143.58
  4. Step 4: Simplify right side
    960,891.13x = 704,284,550,880.81
  5. Step 5: Solve for x
    x = 704,284,550,880.81/960,891.13
  6. Step 6: Final answer
    x = 732,949.37

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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.