Home / 1,296,723.79-1,943,449.53-657,188.25

Finding the Fourth Proportional to 1,296,723.79, 1,943,449.53 and 657,188.25

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Solution

The fourth proportional to 1,296,723.79, 1,943,449.53 and 657,188.25 is: 984,953.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,723.79 : 1,943,449.53 = 657,188.25 : x
  2. Step 2: Convert to fraction form
    1,296,723.79/1,943,449.53 = 657,188.25/x
  3. Step 3: Cross multiply
    1,296,723.79x = 1,943,449.53 × 657,188.25
  4. Step 4: Simplify right side
    1,296,723.79x = 1,277,212,195,584.02
  5. Step 5: Solve for x
    x = 1,277,212,195,584.02/1,296,723.79
  6. Step 6: Final answer
    x = 984,953.16

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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.