Home / 517,786.36-714,177.09-345,617.52

Finding the Fourth Proportional to 517,786.36, 714,177.09 and 345,617.52

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Solution

The fourth proportional to 517,786.36, 714,177.09 and 345,617.52 is: 476,706.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,786.36 : 714,177.09 = 345,617.52 : x
  2. Step 2: Convert to fraction form
    517,786.36/714,177.09 = 345,617.52/x
  3. Step 3: Cross multiply
    517,786.36x = 714,177.09 × 345,617.52
  4. Step 4: Simplify right side
    517,786.36x = 246,832,111,115.73
  5. Step 5: Solve for x
    x = 246,832,111,115.73/517,786.36
  6. Step 6: Final answer
    x = 476,706.48

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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.