Home / 316,383.40-473,984.52-211,276.18

Finding the Fourth Proportional to 316,383.40, 473,984.52 and 211,276.18

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Solution

The fourth proportional to 316,383.40, 473,984.52 and 211,276.18 is: 316,519.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,383.40 : 473,984.52 = 211,276.18 : x
  2. Step 2: Convert to fraction form
    316,383.40/473,984.52 = 211,276.18/x
  3. Step 3: Cross multiply
    316,383.40x = 473,984.52 × 211,276.18
  4. Step 4: Simplify right side
    316,383.40x = 100,141,638,764.73
  5. Step 5: Solve for x
    x = 100,141,638,764.73/316,383.40
  6. Step 6: Final answer
    x = 316,519.89

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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.