Home / 744,747.06-1,116,245.78-344,542.46

Finding the Fourth Proportional to 744,747.06, 1,116,245.78 and 344,542.46

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Solution

The fourth proportional to 744,747.06, 1,116,245.78 and 344,542.46 is: 516,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,747.06 : 1,116,245.78 = 344,542.46 : x
  2. Step 2: Convert to fraction form
    744,747.06/1,116,245.78 = 344,542.46/x
  3. Step 3: Cross multiply
    744,747.06x = 1,116,245.78 × 344,542.46
  4. Step 4: Simplify right side
    744,747.06x = 384,594,067,117.89
  5. Step 5: Solve for x
    x = 384,594,067,117.89/744,747.06
  6. Step 6: Final answer
    x = 516,408.98

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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.