Home / 930,786.90-1,396,601.39-475,142.76

Finding the Fourth Proportional to 930,786.90, 1,396,601.39 and 475,142.76

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Solution

The fourth proportional to 930,786.90, 1,396,601.39 and 475,142.76 is: 712,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,786.90 : 1,396,601.39 = 475,142.76 : x
  2. Step 2: Convert to fraction form
    930,786.90/1,396,601.39 = 475,142.76/x
  3. Step 3: Cross multiply
    930,786.90x = 1,396,601.39 × 475,142.76
  4. Step 4: Simplify right side
    930,786.90x = 663,585,040,252.29
  5. Step 5: Solve for x
    x = 663,585,040,252.29/930,786.90
  6. Step 6: Final answer
    x = 712,929.07

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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.