Home / 731,357.82-1,096,864.40-411,645.78

Finding the Fourth Proportional to 731,357.82, 1,096,864.40 and 411,645.78

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Solution

The fourth proportional to 731,357.82, 1,096,864.40 and 411,645.78 is: 617,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,357.82 : 1,096,864.40 = 411,645.78 : x
  2. Step 2: Convert to fraction form
    731,357.82/1,096,864.40 = 411,645.78/x
  3. Step 3: Cross multiply
    731,357.82x = 1,096,864.40 × 411,645.78
  4. Step 4: Simplify right side
    731,357.82x = 451,519,601,492.23
  5. Step 5: Solve for x
    x = 451,519,601,492.23/731,357.82
  6. Step 6: Final answer
    x = 617,371.67

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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.