Home / 639,383.52-959,066.90-183,986.64

Finding the Fourth Proportional to 639,383.52, 959,066.90 and 183,986.64

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Solution

The fourth proportional to 639,383.52, 959,066.90 and 183,986.64 is: 275,977.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,383.52 : 959,066.90 = 183,986.64 : x
  2. Step 2: Convert to fraction form
    639,383.52/959,066.90 = 183,986.64/x
  3. Step 3: Cross multiply
    639,383.52x = 959,066.90 × 183,986.64
  4. Step 4: Simplify right side
    639,383.52x = 176,455,496,466.22
  5. Step 5: Solve for x
    x = 176,455,496,466.22/639,383.52
  6. Step 6: Final answer
    x = 275,977.55

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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.