Home / 1,263,967.40-1,744,281.16-691,007.57

Finding the Fourth Proportional to 1,263,967.40, 1,744,281.16 and 691,007.57

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Solution

The fourth proportional to 1,263,967.40, 1,744,281.16 and 691,007.57 is: 953,593.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,967.40 : 1,744,281.16 = 691,007.57 : x
  2. Step 2: Convert to fraction form
    1,263,967.40/1,744,281.16 = 691,007.57/x
  3. Step 3: Cross multiply
    1,263,967.40x = 1,744,281.16 × 691,007.57
  4. Step 4: Simplify right side
    1,263,967.40x = 1,205,311,485,768.38
  5. Step 5: Solve for x
    x = 1,205,311,485,768.38/1,263,967.40
  6. Step 6: Final answer
    x = 953,593.81

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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.