Home / 926,253.09-1,389,185.22-261,249.57

Finding the Fourth Proportional to 926,253.09, 1,389,185.22 and 261,249.57

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Solution

The fourth proportional to 926,253.09, 1,389,185.22 and 261,249.57 is: 391,819.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,253.09 : 1,389,185.22 = 261,249.57 : x
  2. Step 2: Convert to fraction form
    926,253.09/1,389,185.22 = 261,249.57/x
  3. Step 3: Cross multiply
    926,253.09x = 1,389,185.22 × 261,249.57
  4. Step 4: Simplify right side
    926,253.09x = 362,924,041,375.36
  5. Step 5: Solve for x
    x = 362,924,041,375.36/926,253.09
  6. Step 6: Final answer
    x = 391,819.52

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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.