Home / 961,953.44-1,443,126.96-330,785.28

Finding the Fourth Proportional to 961,953.44, 1,443,126.96 and 330,785.28

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Solution

The fourth proportional to 961,953.44, 1,443,126.96 and 330,785.28 is: 496,245.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,953.44 : 1,443,126.96 = 330,785.28 : x
  2. Step 2: Convert to fraction form
    961,953.44/1,443,126.96 = 330,785.28/x
  3. Step 3: Cross multiply
    961,953.44x = 1,443,126.96 × 330,785.28
  4. Step 4: Simplify right side
    961,953.44x = 477,365,155,539.15
  5. Step 5: Solve for x
    x = 477,365,155,539.15/961,953.44
  6. Step 6: Final answer
    x = 496,245.59

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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.