Home / 1,171,497.53-1,755,240.33-639,391.93

Finding the Fourth Proportional to 1,171,497.53, 1,755,240.33 and 639,391.93

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Solution

The fourth proportional to 1,171,497.53, 1,755,240.33 and 639,391.93 is: 957,993.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,497.53 : 1,755,240.33 = 639,391.93 : x
  2. Step 2: Convert to fraction form
    1,171,497.53/1,755,240.33 = 639,391.93/x
  3. Step 3: Cross multiply
    1,171,497.53x = 1,755,240.33 × 639,391.93
  4. Step 4: Simplify right side
    1,171,497.53x = 1,122,286,500,222.16
  5. Step 5: Solve for x
    x = 1,122,286,500,222.16/1,171,497.53
  6. Step 6: Final answer
    x = 957,993.06

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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.