Home / 1,263,057.46-1,743,021.16-719,193.69

Finding the Fourth Proportional to 1,263,057.46, 1,743,021.16 and 719,193.69

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Solution

The fourth proportional to 1,263,057.46, 1,743,021.16 and 719,193.69 is: 992,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,057.46 : 1,743,021.16 = 719,193.69 : x
  2. Step 2: Convert to fraction form
    1,263,057.46/1,743,021.16 = 719,193.69/x
  3. Step 3: Cross multiply
    1,263,057.46x = 1,743,021.16 × 719,193.69
  4. Step 4: Simplify right side
    1,263,057.46x = 1,253,569,822,055.96
  5. Step 5: Solve for x
    x = 1,253,569,822,055.96/1,263,057.46
  6. Step 6: Final answer
    x = 992,488.36

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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.