Home / 1,263,564.06-1,744,882.47-811,642.38

Finding the Fourth Proportional to 1,263,564.06, 1,744,882.47 and 811,642.38

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Solution

The fourth proportional to 1,263,564.06, 1,744,882.47 and 811,642.38 is: 1,120,814.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,564.06 : 1,744,882.47 = 811,642.38 : x
  2. Step 2: Convert to fraction form
    1,263,564.06/1,744,882.47 = 811,642.38/x
  3. Step 3: Cross multiply
    1,263,564.06x = 1,744,882.47 × 811,642.38
  4. Step 4: Simplify right side
    1,263,564.06x = 1,416,220,560,771.08
  5. Step 5: Solve for x
    x = 1,416,220,560,771.08/1,263,564.06
  6. Step 6: Final answer
    x = 1,120,814.22

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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.