Home / 931,092.35-1,396,610.91-257,214.20

Finding the Fourth Proportional to 931,092.35, 1,396,610.91 and 257,214.20

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Solution

The fourth proportional to 931,092.35, 1,396,610.91 and 257,214.20 is: 385,813.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,092.35 : 1,396,610.91 = 257,214.20 : x
  2. Step 2: Convert to fraction form
    931,092.35/1,396,610.91 = 257,214.20/x
  3. Step 3: Cross multiply
    931,092.35x = 1,396,610.91 × 257,214.20
  4. Step 4: Simplify right side
    931,092.35x = 359,228,150,943.87
  5. Step 5: Solve for x
    x = 359,228,150,943.87/931,092.35
  6. Step 6: Final answer
    x = 385,813.67

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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.