Home / 986,660.92-1,361,493.66-556,858.05

Finding the Fourth Proportional to 986,660.92, 1,361,493.66 and 556,858.05

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Solution

The fourth proportional to 986,660.92, 1,361,493.66 and 556,858.05 is: 768,408.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,660.92 : 1,361,493.66 = 556,858.05 : x
  2. Step 2: Convert to fraction form
    986,660.92/1,361,493.66 = 556,858.05/x
  3. Step 3: Cross multiply
    986,660.92x = 1,361,493.66 × 556,858.05
  4. Step 4: Simplify right side
    986,660.92x = 758,158,704,594.96
  5. Step 5: Solve for x
    x = 758,158,704,594.96/986,660.92
  6. Step 6: Final answer
    x = 768,408.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.