Home / 1,313,293.96-1,969,793.22-353,820.44

Finding the Fourth Proportional to 1,313,293.96, 1,969,793.22 and 353,820.44

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Solution

The fourth proportional to 1,313,293.96, 1,969,793.22 and 353,820.44 is: 530,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,293.96 : 1,969,793.22 = 353,820.44 : x
  2. Step 2: Convert to fraction form
    1,313,293.96/1,969,793.22 = 353,820.44/x
  3. Step 3: Cross multiply
    1,313,293.96x = 1,969,793.22 × 353,820.44
  4. Step 4: Simplify right side
    1,313,293.96x = 696,953,103,809.42
  5. Step 5: Solve for x
    x = 696,953,103,809.42/1,313,293.96
  6. Step 6: Final answer
    x = 530,690.86

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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.