Home / 1,193,570.13-1,647,147.78-649,721.55

Finding the Fourth Proportional to 1,193,570.13, 1,647,147.78 and 649,721.55

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Solution

The fourth proportional to 1,193,570.13, 1,647,147.78 and 649,721.55 is: 896,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193,570.13 : 1,647,147.78 = 649,721.55 : x
  2. Step 2: Convert to fraction form
    1,193,570.13/1,647,147.78 = 649,721.55/x
  3. Step 3: Cross multiply
    1,193,570.13x = 1,647,147.78 × 649,721.55
  4. Step 4: Simplify right side
    1,193,570.13x = 1,070,187,408,700.66
  5. Step 5: Solve for x
    x = 1,070,187,408,700.66/1,193,570.13
  6. Step 6: Final answer
    x = 896,627.17

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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.