Home / 639,968.27-960,007.53-166,654.49

Finding the Fourth Proportional to 639,968.27, 960,007.53 and 166,654.49

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Solution

The fourth proportional to 639,968.27, 960,007.53 and 166,654.49 is: 249,996.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,968.27 : 960,007.53 = 166,654.49 : x
  2. Step 2: Convert to fraction form
    639,968.27/960,007.53 = 166,654.49/x
  3. Step 3: Cross multiply
    639,968.27x = 960,007.53 × 166,654.49
  4. Step 4: Simplify right side
    639,968.27x = 159,989,565,308.31
  5. Step 5: Solve for x
    x = 159,989,565,308.31/639,968.27
  6. Step 6: Final answer
    x = 249,996.09

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1.5x scale

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.