Home / 787,913.76-1,181,697.84-226,826.40

Finding the Fourth Proportional to 787,913.76, 1,181,697.84 and 226,826.40

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Solution

The fourth proportional to 787,913.76, 1,181,697.84 and 226,826.40 is: 340,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,913.76 : 1,181,697.84 = 226,826.40 : x
  2. Step 2: Convert to fraction form
    787,913.76/1,181,697.84 = 226,826.40/x
  3. Step 3: Cross multiply
    787,913.76x = 1,181,697.84 × 226,826.40
  4. Step 4: Simplify right side
    787,913.76x = 268,040,266,934.98
  5. Step 5: Solve for x
    x = 268,040,266,934.98/787,913.76
  6. Step 6: Final answer
    x = 340,189.85

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1.5x scale

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.