Home / 381,724.02-526,802.88-211,959.36

Finding the Fourth Proportional to 381,724.02, 526,802.88 and 211,959.36

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Solution

The fourth proportional to 381,724.02, 526,802.88 and 211,959.36 is: 292,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,724.02 : 526,802.88 = 211,959.36 : x
  2. Step 2: Convert to fraction form
    381,724.02/526,802.88 = 211,959.36/x
  3. Step 3: Cross multiply
    381,724.02x = 526,802.88 × 211,959.36
  4. Step 4: Simplify right side
    381,724.02x = 111,660,801,290.96
  5. Step 5: Solve for x
    x = 111,660,801,290.96/381,724.02
  6. Step 6: Final answer
    x = 292,517.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.