Home / 621,996.17-933,036.62-211,498.31

Finding the Fourth Proportional to 621,996.17, 933,036.62 and 211,498.31

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Solution

The fourth proportional to 621,996.17, 933,036.62 and 211,498.31 is: 317,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,996.17 : 933,036.62 = 211,498.31 : x
  2. Step 2: Convert to fraction form
    621,996.17/933,036.62 = 211,498.31/x
  3. Step 3: Cross multiply
    621,996.17x = 933,036.62 × 211,498.31
  4. Step 4: Simplify right side
    621,996.17x = 197,335,669,573.21
  5. Step 5: Solve for x
    x = 197,335,669,573.21/621,996.17
  6. Step 6: Final answer
    x = 317,261.88

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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.