Home / 729,040.40-1,093,560.60-549,414.80

Finding the Fourth Proportional to 729,040.40, 1,093,560.60 and 549,414.80

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Solution

The fourth proportional to 729,040.40, 1,093,560.60 and 549,414.80 is: 824,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,040.40 : 1,093,560.60 = 549,414.80 : x
  2. Step 2: Convert to fraction form
    729,040.40/1,093,560.60 = 549,414.80/x
  3. Step 3: Cross multiply
    729,040.40x = 1,093,560.60 × 549,414.80
  4. Step 4: Simplify right side
    729,040.40x = 600,818,378,336.88
  5. Step 5: Solve for x
    x = 600,818,378,336.88/729,040.40
  6. Step 6: Final answer
    x = 824,122.20

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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.