Home / 632,123.96-947,988.30-211,301.42

Finding the Fourth Proportional to 632,123.96, 947,988.30 and 211,301.42

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Solution

The fourth proportional to 632,123.96, 947,988.30 and 211,301.42 is: 316,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,123.96 : 947,988.30 = 211,301.42 : x
  2. Step 2: Convert to fraction form
    632,123.96/947,988.30 = 211,301.42/x
  3. Step 3: Cross multiply
    632,123.96x = 947,988.30 × 211,301.42
  4. Step 4: Simplify right side
    632,123.96x = 200,311,273,933.39
  5. Step 5: Solve for x
    x = 200,311,273,933.39/632,123.96
  6. Step 6: Final answer
    x = 316,886.06

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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.