Home / 746,255.63-1,029,860.30-424,020.31

Finding the Fourth Proportional to 746,255.63, 1,029,860.30 and 424,020.31

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Solution

The fourth proportional to 746,255.63, 1,029,860.30 and 424,020.31 is: 585,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,255.63 : 1,029,860.30 = 424,020.31 : x
  2. Step 2: Convert to fraction form
    746,255.63/1,029,860.30 = 424,020.31/x
  3. Step 3: Cross multiply
    746,255.63x = 1,029,860.30 × 424,020.31
  4. Step 4: Simplify right side
    746,255.63x = 436,681,682,148.09
  5. Step 5: Solve for x
    x = 436,681,682,148.09/746,255.63
  6. Step 6: Final answer
    x = 585,163.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.