Home / 639,566.62-959,182.80-190,166.50

Finding the Fourth Proportional to 639,566.62, 959,182.80 and 190,166.50

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Solution

The fourth proportional to 639,566.62, 959,182.80 and 190,166.50 is: 285,200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,566.62 : 959,182.80 = 190,166.50 : x
  2. Step 2: Convert to fraction form
    639,566.62/959,182.80 = 190,166.50/x
  3. Step 3: Cross multiply
    639,566.62x = 959,182.80 × 190,166.50
  4. Step 4: Simplify right side
    639,566.62x = 182,404,435,936.20
  5. Step 5: Solve for x
    x = 182,404,435,936.20/639,566.62
  6. Step 6: Final answer
    x = 285,200.06

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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.