Home / 785,830.56-1,085,269.62-541,450.80

Finding the Fourth Proportional to 785,830.56, 1,085,269.62 and 541,450.80

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Solution

The fourth proportional to 785,830.56, 1,085,269.62 and 541,450.80 is: 747,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,830.56 : 1,085,269.62 = 541,450.80 : x
  2. Step 2: Convert to fraction form
    785,830.56/1,085,269.62 = 541,450.80/x
  3. Step 3: Cross multiply
    785,830.56x = 1,085,269.62 × 541,450.80
  4. Step 4: Simplify right side
    785,830.56x = 587,620,103,964.70
  5. Step 5: Solve for x
    x = 587,620,103,964.70/785,830.56
  6. Step 6: Final answer
    x = 747,769.47

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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.