Home / 667,434.81-1,001,152.56-161,996.56

Finding the Fourth Proportional to 667,434.81, 1,001,152.56 and 161,996.56

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Solution

The fourth proportional to 667,434.81, 1,001,152.56 and 161,996.56 is: 242,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,434.81 : 1,001,152.56 = 161,996.56 : x
  2. Step 2: Convert to fraction form
    667,434.81/1,001,152.56 = 161,996.56/x
  3. Step 3: Cross multiply
    667,434.81x = 1,001,152.56 × 161,996.56
  4. Step 4: Simplify right side
    667,434.81x = 162,183,267,948.57
  5. Step 5: Solve for x
    x = 162,183,267,948.57/667,434.81
  6. Step 6: Final answer
    x = 242,994.92

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Similar ratio
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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.