Home / 639,566.00-959,261.51-190,356.20

Finding the Fourth Proportional to 639,566.00, 959,261.51 and 190,356.20

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Solution

The fourth proportional to 639,566.00, 959,261.51 and 190,356.20 is: 285,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,566.00 : 959,261.51 = 190,356.20 : x
  2. Step 2: Convert to fraction form
    639,566.00/959,261.51 = 190,356.20/x
  3. Step 3: Cross multiply
    639,566.00x = 959,261.51 × 190,356.20
  4. Step 4: Simplify right side
    639,566.00x = 182,601,370,101.77
  5. Step 5: Solve for x
    x = 182,601,370,101.77/639,566.00
  6. Step 6: Final answer
    x = 285,508.25

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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.