Home / 729,115.80-1,093,673.70-414,187.80

Finding the Fourth Proportional to 729,115.80, 1,093,673.70 and 414,187.80

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Solution

The fourth proportional to 729,115.80, 1,093,673.70 and 414,187.80 is: 621,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,115.80 : 1,093,673.70 = 414,187.80 : x
  2. Step 2: Convert to fraction form
    729,115.80/1,093,673.70 = 414,187.80/x
  3. Step 3: Cross multiply
    729,115.80x = 1,093,673.70 × 414,187.80
  4. Step 4: Simplify right side
    729,115.80x = 452,986,303,720.86
  5. Step 5: Solve for x
    x = 452,986,303,720.86/729,115.80
  6. Step 6: Final answer
    x = 621,281.70

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Similar ratio
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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.