Home / 1,263,172.56-1,743,176.32-719,308.52

Finding the Fourth Proportional to 1,263,172.56, 1,743,176.32 and 719,308.52

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Solution

The fourth proportional to 1,263,172.56, 1,743,176.32 and 719,308.52 is: 992,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,172.56 : 1,743,176.32 = 719,308.52 : x
  2. Step 2: Convert to fraction form
    1,263,172.56/1,743,176.32 = 719,308.52/x
  3. Step 3: Cross multiply
    1,263,172.56x = 1,743,176.32 × 719,308.52
  4. Step 4: Simplify right side
    1,263,172.56x = 1,253,881,578,838.25
  5. Step 5: Solve for x
    x = 1,253,881,578,838.25/1,263,172.56
  6. Step 6: Final answer
    x = 992,644.73

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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.