Home / 1,037,788.80-1,556,683.20-664,540.80

Finding the Fourth Proportional to 1,037,788.80, 1,556,683.20 and 664,540.80

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Solution

The fourth proportional to 1,037,788.80, 1,556,683.20 and 664,540.80 is: 996,811.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037,788.80 : 1,556,683.20 = 664,540.80 : x
  2. Step 2: Convert to fraction form
    1,037,788.80/1,556,683.20 = 664,540.80/x
  3. Step 3: Cross multiply
    1,037,788.80x = 1,556,683.20 × 664,540.80
  4. Step 4: Simplify right side
    1,037,788.80x = 1,034,479,499,074.56
  5. Step 5: Solve for x
    x = 1,034,479,499,074.56/1,037,788.80
  6. Step 6: Final answer
    x = 996,811.20

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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.