Home / 926,093.80-1,389,140.70-261,245.80

Finding the Fourth Proportional to 926,093.80, 1,389,140.70 and 261,245.80

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Solution

The fourth proportional to 926,093.80, 1,389,140.70 and 261,245.80 is: 391,868.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,093.80 : 1,389,140.70 = 261,245.80 : x
  2. Step 2: Convert to fraction form
    926,093.80/1,389,140.70 = 261,245.80/x
  3. Step 3: Cross multiply
    926,093.80x = 1,389,140.70 × 261,245.80
  4. Step 4: Simplify right side
    926,093.80x = 362,907,173,484.06
  5. Step 5: Solve for x
    x = 362,907,173,484.06/926,093.80
  6. Step 6: Final answer
    x = 391,868.70

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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.