Home / 862,074.56-1,286,951.44-805,154.24

Finding the Fourth Proportional to 862,074.56, 1,286,951.44 and 805,154.24

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Solution

The fourth proportional to 862,074.56, 1,286,951.44 and 805,154.24 is: 1,201,977.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,074.56 : 1,286,951.44 = 805,154.24 : x
  2. Step 2: Convert to fraction form
    862,074.56/1,286,951.44 = 805,154.24/x
  3. Step 3: Cross multiply
    862,074.56x = 1,286,951.44 × 805,154.24
  4. Step 4: Simplify right side
    862,074.56x = 1,036,194,408,590.11
  5. Step 5: Solve for x
    x = 1,036,194,408,590.11/862,074.56
  6. Step 6: Final answer
    x = 1,201,977.71

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.