Home / 1,113,296.62-1,669,976.07-393,536.60

Finding the Fourth Proportional to 1,113,296.62, 1,669,976.07 and 393,536.60

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Solution

The fourth proportional to 1,113,296.62, 1,669,976.07 and 393,536.60 is: 590,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,296.62 : 1,669,976.07 = 393,536.60 : x
  2. Step 2: Convert to fraction form
    1,113,296.62/1,669,976.07 = 393,536.60/x
  3. Step 3: Cross multiply
    1,113,296.62x = 1,669,976.07 × 393,536.60
  4. Step 4: Simplify right side
    1,113,296.62x = 657,196,699,882.97
  5. Step 5: Solve for x
    x = 657,196,699,882.97/1,113,296.62
  6. Step 6: Final answer
    x = 590,315.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.