Home / 856,860.60-1,182,467.76-474,912.04

Finding the Fourth Proportional to 856,860.60, 1,182,467.76 and 474,912.04

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Solution

The fourth proportional to 856,860.60, 1,182,467.76 and 474,912.04 is: 655,378.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,860.60 : 1,182,467.76 = 474,912.04 : x
  2. Step 2: Convert to fraction form
    856,860.60/1,182,467.76 = 474,912.04/x
  3. Step 3: Cross multiply
    856,860.60x = 1,182,467.76 × 474,912.04
  4. Step 4: Simplify right side
    856,860.60x = 561,568,176,135.83
  5. Step 5: Solve for x
    x = 561,568,176,135.83/856,860.60
  6. Step 6: Final answer
    x = 655,378.69

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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.